This free percentage calculator computes a number of values involving percentages, including the percentage difference between two given values.

Use our percentage calculator to work out increases, decreases or percentage differences. Common uses include calculating tax, savings increases, tips on a restaurant bill, or cash back on purchases.

Learn how to calculate a percent of a value before and after, or find the percentage change between two values, and see how to calculate each one.

Free online percentage calculator with multiple tools. Calculate percentages, find percentage of numbers, determine percentage changes, and more. Simple, accurate, and free to use.

How do you calculate a percentage? To calculate a percentage, you typically divide the part (the smaller value) by the whole (the larger value), and then multiply the result by 100.

Aug 1, 2025 · To figure out what percentage a number represents out of a whole, divide the smaller number by the larger one and convert the resulting decimal number into a percent.

Free percentage calculator for 6 common calculations: find a percentage of a number, percent change, discounts, percent error, and more. Instant results.

Select from the calculators below to quickly solve your percentage problems. The calculations help you find what a selected percent of a number is, what percent of a number another number represents, …

Simple formulas can help you find the percentage of a total such as the percentage difference between two numbers. Find the percentage of a total Let's say that you answered 42 questions out of 50 …

A versatile percent calculator. You can calculate percent change, as well as find the percent difference between any two numbers with this free percentage calculator.