Percentage Calculator

Mode

Percentage (%)

of Value

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How do you calculate percentages?

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

What is percentage change?

Percentage change shows how much a value has increased or decreased in percent. Formula: ((new value − old value) / old value) × 100.

How do you calculate what percent X is of Y?

Divide X by Y and multiply by 100. For example: 25 is 25% of 100 (25/100 × 100 = 25%).