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Percentage Calculator

Find a percentage of a number, what percent one number is of another, and how much a price went up or down.

What is X% of Y?

Percent (%)

Of number

= 75

X is what % of Y?

Number

Out of

= 75%

Percent increase or decrease

Before

After

Up 25%

Common questions

How is percentage increase worked out?

(new − old) ÷ old × 100. For example, from 80 to 100 is (20 ÷ 80) × 100 = 25% increase.

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