Percentage Calculator(s)

What is X% of Y? (e.g. What is 5% of 200?)

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X is Y% of what? (e.g. 10 is 5% of what?)

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X is what % of Y? (e.g. 10 is what % of 200?)

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From X to Y is what % difference?

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Math

What is X% of Y

To calculate "What is X% of Y" The formula is as follows:

answer = ((y / 100) * x)

This works because you are chopping Y into 100 pieces then multiplying it by the percentage that you want of it.

Another way to achieve the same answer is by using the following formula:

answer = ((x * y) / 100)

X is Y% of what?

To calculate "X is Y% of what?" The formula is as follows:

answer = ((x / y) * 100)

X is what % of Y?

To calculate "X is what % of Y?" The formula is as follows:

answer = ((x / y) * 100)

This works because you treat Y as 100%. It's the same formula as "X is Y% of what?"

From X to Y is what % difference?

To calculate "From X to Y is what % difference?" The formula is as follows:

answer = (((y - x) / x) * 100)

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