Percentage Calculator

Calculate percentages, percentage changes, and ratios

Percentage (%)

Of Number

Calculate what percentage of a number equals. For example, 25% of 200 = 50.

Calculate the percentage increase or decrease between two values. Shows whether it's an increase or decrease.

Find what percentage one number represents of another. For example, 25 is 25% of 100.

Frequently Asked Questions

How do I calculate what percentage one number is of another?: To find what percentage A is of B, divide A by B and multiply by 100. For example, 25 is 50% of 50 (25 ÷ 50 × 100 = 50%).
How do I calculate percentage increase or decrease?: For percentage change, subtract the original value from the new value, divide by the original value, and multiply by 100. Positive results show increase, negative show decrease.
What's the difference between percentage and percentage points?: Percentage is a ratio, while percentage points measure the arithmetic difference between percentages. If something goes from 10% to 15%, that's a 50% increase but a 5 percentage point increase.
Can I calculate discounts and markups?: Yes! Enter the original price and discount percentage to find the sale price, or calculate markup percentages for pricing products.

Follow these simple steps to get started with the Percentage Calculator tool