How do I calculate a percentage of a number?

To find X% of Y, divide X by 100 and multiply by Y. For example, 25% of 200 = (25 / 100) × 200 = 50.

What does 'percent' mean?

The word 'percent' means 'per hundred'. So 25% means 25 out of every 100, or 25/100 = 0.25.

Divide the percentage by 100. For example, 75% as a decimal is 75 ÷ 100 = 0.75.

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