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Percentage calculator
Four calculators in one: a percentage of a number, what percent one number is of another, the percentage change, and a number plus or minus a percentage.
What is% of
30
is what % of
25%
% change fromto
25%
plus / minus%
590 / 410
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Questions people ask
How do I calculate a percentage of a number?
Multiply the number by the percentage and divide by 100: 20% of 150 is 150 × 20 / 100 = 30.
How do I work out percentage change?
(new − old) ÷ old × 100. From 80 to 100 is a 25% increase.
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