Free Percentage Calculator — Work Out Percentages Instantly
This free percentage calculator handles all three common percentage problems: find what percentage one number is of another, calculate a percentage of a number, and work out percentage increase or decrease between two values — all in one simple tool.
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📈 Percentage Calculator
Three calculators in one: find a percentage of a number, calculate what percentage one number is of another, or work out the percentage change between two values.
Frequently Asked Questions
How do I calculate what percentage X is of Y?
Enter X in the first field and Y in the second under “What % is X of Y?”, then click Calculate. The tool shows the exact percentage instantly.
How do I find a percentage of a number?
Use the “X% of Y” section. Enter the percentage and the total number. The result is the exact value that percentage represents.
How do I calculate a percentage increase or decrease?
Enter the original value and the new value in the percentage change section. The tool will tell you the exact increase or decrease as a percentage.
Can I use this for discounts and price changes?
Yes. The percentage change section is perfect for calculating price rises, discounts, salary changes, and any other increase or decrease between two numbers.