A percentage is a number or ratio expressed as a fraction of $100$. It is often denoted using the percent sign, "$%$", or the abbreviation "$\mathrm{pct}$." -Wikipedia. Percentages are used when describing portions or proportional changes.
Questions tagged [percentages]
1440 questions
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Percentage Question - Sub operation within main operation percentage
This is probably a really basic question but I'm trying to work out how to calculate a percentage complete of an operation that occurs as part of a larger operation.
If the main operation is 20% complete and I then start a sub operation within this…
BigBytes
- 101
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How to find annual interest percent in debentures
Find the annual interest percent on 17% debentures of the face value of Rupees 100 each and available at Rupees 85 each.
All I understand here investment 85 rupees. And income 17%
So it is $\frac {17}{85}$
I also searched online for steps but no…
John Amar
- 41
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Percentage of proximity between two integers that can be zero
I have two numbers, for example $4$ and $5$ and I need to calculate the percentage difference between them, in this case ~$77.8\%$, found by subtracting to $100$ the percentage difference of them:
$$100 - \left(\left(\frac{5-4}{\frac{5+4}{2}}\right)…
Theraloss
- 101
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Sales Growth based on summary of other sales growth
First I want to introduce myself I am not good at math. Please enlighten me if this is kind of crazy idea.
So in the example screenshot, you can see I am computing for the sales growth.
Also you can see there is a grand total, the one inside the…
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Is it possible to write the following percentage equation to be human readable?
adjusted premium=current premium+(current premium*(1.35*(1-(1-(1-first rbo%)(1-second rbo%)(1-third rbo%)*(1-fourth rbo%)))-1))
Additional context:
I have to write this function in JavaScript but the caveat is that the user will be able to check…
Alexander Dixon
- 105
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1 answer
How to scale up or down by a percent value consistently?
I'm scaling an value and it works as I intend when the scale is 1 or greater but it doesn't seem to scale as intended when scaling down.
// increase by 10%
amount = 10
scale = 1
total = scale + amount/100
// decrease by 10%
amount = 10
scale =…
1.21 gigawatts
- 233
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6 answers
Am I driving 20% slower or 25% faster?
If I usually drive at 100 km/h, but today I'm driving at 80km/h, I am driving 20% slower than usual.
But if I speed up to 100 km/h, I am driving 25% faster, aren't I?
25% seems like a lot and encourages me to speed, but 20% seems like not that bad…
Andrew
- 119
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1 answer
how to calculate a percentage of a budget
my department at work has a monthly budget for drinks and snacks. a few days each month, another department uses our space and our supplies. how do i calculate what to charge them for the drinks and snacks they use, factoring in that they only use…
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Calculating delay time in Milliseconds
Alright, this might be an odball question, so here goes. This question is part music, part mathematics, but mostly mathematics.
I am an audio engineer and I want precise delay times in certain pan positions in the stereo spectrum.
I am trying to…
Scott
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Get figure from percentage
If example says, there are total 1600 people. from total, man is 15% more than women... how to find number of man and women from 1600?
What I did is:
100 - 15 = 85
Divide 85/2 = 42.5
42.5% of 1600 = 680
680 + 680 = 1360. 1600 - 1360 = 240
Man = 680…
Amit3581
- 33
- 3
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1 answer
Calculating Percentage Efficiency
I am processing payments each payment consists of 2 parts, A takes 1 minute and part B takes 5 minutes, to process a batch of 5 payments takes 1+1+1+1+1+5+5+5+5+5=30 minutes, but I have a way that would reduce the number of B parts to 5 minutes no…
Naz
- 105
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2 answers
Formula to calculate profit over time
I am wondering if there is a formula to calculate something like this:
Natascha has 10,000 usd and makes +1% profit every day. After how many days does she have 1,000,000 usd?
The problem is that she makes +1% profit over the amount of the previous…
Wouter Dorgelo
- 175
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4 answers
if $2000 is 40% what is the remaining 60%
I am sure it is a simple equation, but I just can't seem to figure this one out.
if $2000 is 40% how do i figure out what the remaining 60% is in dollars
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2 answers
How do I adjust one percent in a set and maintain the remaining proportions in the set?
Say I have the following ingredients in the following percents:
+-------+----------+
| Name | percent |
+-------+----------+
| Ing1 | 2 |
| Ing2 | 35 |
| Ing3 | 30 |
| Ing4 | 33 |
| total | 100…
Eric
- 101
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1 answer
Calculate "forward" percentage
Ok, now I just made that concept up and I will try to explain what I need in a second, note that it might have a different name but I cant seem to find what I need on the internet.
I am trying to set up some prices for a product.
Here is what i…
RaptorX
- 103