Percentage Calculator

Find percentages, percent changes, and percent-of values instantly.

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From to

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How to calculate percentages

X% of Y: multiply Y by (X ÷ 100). For example, 15% of 200 is 200 × 0.15 = 30.

What percent is X of Y: divide X by Y, then multiply by 100. For example, 30 out of 150 is (30 ÷ 150) × 100 = 20%.

Percent change: subtract the original value from the new value, divide by the original value, then multiply by 100. A positive result is an increase; a negative result is a decrease.

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