Percentage Calculator - Calculate Percentages Online Free

Calculate percentages online — find X% of a number, what percent X is of Y, percentage change, and reverse percentage lookups.

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Quick Examples

  • • 20% of 150 = 30
  • • 45 is 60% of 75
  • • 100 → 120 = +20% increase
  • • 30 is 25% of 120

iAbout Percentage Calculator

Solve any percentage problem instantly. Find what percentage one number is of another, calculate a percentage of a value, work out percentage increase or decrease, or reverse-calculate what number a percentage belongs to. No signup, completely free.

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?Frequently Asked Questions

What types of percentage calculations can I do?
You can calculate: what is X% of Y, what percentage X is of Y, percentage increase/decrease from X to Y, and what number X is N% of.
How do I calculate a percentage increase?
Select "% change from X to Y", enter the original value as X and the new value as Y. The result shows the percentage increase or decrease.