Percentage calculator
Answers the five everyday percentage questions — X% of Y, X as a share of Y, change from X to Y, Y plus or minus X% — and shows the working, so the answer can be checked.
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Questions
Why is +20% then −20% not the same number?
The second percentage is taken from a bigger base: 100 + 20% = 120, and 120 − 20% = 96.
Can I type decimals with a comma?
Yes: 12,5 and 12.5 both work, and spaces between thousands are ignored.