Finance

Percentage Calculator

Calculate a percentage of a number, what percent one number is of another, or the percentage change between two values.

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Three ways to calculate percentages

This tool covers the three most common percentage questions: finding a percentage of a number, finding what percentage one number is of another, and finding the percentage change (increase or decrease) between two values.

Frequently asked questions

How do I calculate percentage increase?

Choose "Percentage change," enter the original value and the new value — the tool shows both the percentage and whether it's an increase or decrease.

Can I use negative numbers?

Yes, all three modes accept negative numbers where mathematically valid.