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Percentage Calculator

Calculate percentages: find X% of Y, percent change, percent difference, and what percent X is of Y

result
50
explanation
25% of 200 = 50

Frequently Asked Questions

How do I calculate what percentage one number is of another?

Divide the part by the whole, then multiply by 100. For example, 25 out of 200 is (25/200) * 100 = 12.5%.

What is the difference between percent change and percent difference?

Percent change measures the change relative to the original value. Percent difference measures the difference relative to the average of both values, useful when neither value is the clear starting point.

How do I calculate a percentage increase?

Subtract the old value from the new value, divide by the old value, and multiply by 100. Formula: ((new - old) / old) * 100.