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Tool · Numbers

Percentage Calculator

Find a percentage of a number, express one number as a percentage of another, or work out percentage change.

What is x% of y?

% of

x is what percentage of y?

out of

Percentage change from x to y

to

How it works

Per cent means "out of a hundred", so every percentage question is a conversion between a part, a whole and a hundred. Percentage change always divides by the original value, never the new one.