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Percentage Calculator
Calculate what percent X is of Y, find a percentage of a number, and compute percent increase or decrease between two values.
e.g. 25 is what % of 200 → 12.5%
Result
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How to use Percentage Calculator
- 1
Pick the calculation mode (what % of, % of a number, or % change).
- 2
Type the two values.
- 3
Read the result instantly.
Frequently asked questions
How do I calculate a percentage increase?
(New − Old) ÷ Old × 100. The calculator below does it instantly.
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