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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How do calculate a fee from a given percentage
Scenario:
I want to buy a share in a company.
Cost per share = 50,000USD
Number of shares to buy = 0.5
Transaction fees = 0.2%
Calculations:
Convert fee percentage to a decimal : 0.2 / 100 = 0.002
Convert decimal fee to amount to subtract…
oshirowanen
- 111
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0 answers
Is there a way I can Reformat ((((1000*1.08)*1.08)*1.08)*1.06)?
I'm trying to increase a value by a percentage multiple times, is there a way I can group together the percentages and multiply 1000 by it
Sammy
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1 answer
How to compute ratio of decreasing value
I have a value that at 40 -> 80%, I want to reduce 80% to 50% and compute x such that x -> 50% would simple ration do this? Note percentage here is CPU usage and I want to increase resource from 40 to some value so that CPU usage can come down from…
user_1357
- 273
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1 answer
Why does "of" get converted to multiplication in percentage?
Why is $50$% of $500$ equivalent to $\frac {50}{100} × 500$? Why does "of" get converted to "$×$"?
Cognoscenti
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2 answers
Can't work out these percentages
I have an amount of money.
10% of this money is currently shared between these 4 people in the following ratio:
Person 1 (1/3) 33.333%
Person 2 (1/3) 33.333%
Person 3 (1/6) 16.666%
Person 4 (1/6) 16.666%
However, I now need to take an extra 1% of…
koukotsu
- 111
1
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1 answer
Speed of evaporation of tank
I am given $a$ and $b$ and the program should return the speed of evaporation(in percentages), if I know that the fluid from a tank evaporates to $a\%$ from the starting amount of the fluid, in $b$ months.
untitled
- 193
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2 answers
Is it better value to decrease the price of a box by $20$% or increase its size by $20$%?
Suppose I am selling boxes of cereal.
Each box has $m$ grams of cereal and costs $p$ pounds.
Two possible promotions:
Decrease the price of the box by $20$%
Put $20$% more cereal in each box.
Which offer would be better value for money?
My…
Ben Derby
- 157
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4 answers
A is greater than B by 25% then by what percentage B is less than A?
Q. $A$ is greater than $B$ by $25\text{%}$ then by what percentage $B$ is less than $A$ ?
my approach:
$A$ is greater than $B$ by $25$% then
$${A-B\over B}\times 100=25$$
$$A=B+0.25B=1.25B$$
Now, $B$ is less than $A$ by %
$$\frac{A-B}{B}\times…
user809080
1
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1 answer
Percent on 100 tries?
If i know that something happens 50% In 1 try.
What is percent of Something to Happen at least once in 100 tries?
My friend told me that chances are 50% but i dont understand how that is possible?
could you explain with more details please
Gurami
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1 answer
Increasing Percentage Question
Question: A population of a colony of bacteria increases by 20% every 3 minutes. If at 9:00am the colony had a population of 144,000, what was the population of the colony at 8:54am?
My solution: If I want to increase something by 20%, then I would…
Kay
- 121
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1 answer
Can a value of a discount % be calculated by multiplying the item %, by the item value?
Can a value of a discount % be calculated by multiplying the item %, by the item value ?
Eg. if an item is on sale for $125 with a 35% discount, is the following arithmetic correct ?
125*0.65 = 81.25
sam
- 221
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0 answers
comparing 3 percentages want to have a single number to describe the overall change can I use two relative change calcs?
I am not a math whiz so be gentle please. I want to reduce down the change in 3 percentages to a single value that will allow me to compare other sets of 3 percentages. I am looking at using three relative change calcs to do this. SO percents are A…
theakson
- 111
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2 answers
Is .0125% the same as 1.25%?
As the simple question states Is .0125% the same as 1.25%?
I wanted to see if it makes sense to write percentage like this?
jurge bent
- 11
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What is the meaning of an inverse of a percentage?
Suppose there are 50 marbles (denoted $M$) in a bag. 20 of these marbles are red (denoted $R$).
$$ R / M = 20 / 50 = 0.4 $$
I interpret this as: for every 1 unit of $M$, there are $0.4$ units of $R$.
The inverse is:
$$ M / R = 50 / 20 = 1.25 $$…
oolveea
- 31
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0 answers
Contribution to Change in Year of Year Growth of a Ratio
I am trying to calculate Contribution to Change per Category for this problem:
I have different categories in my online shop:
TABLE WITH NUMBERS
A) Electronics
B) Cosmetics
C) Clothes
I am interested in each categories' contribution to growth for…
MTMT
- 11