% Percentage Calculator
Calculate percentages instantly — find percentage of a number, percentage change, what % one number is of another, increase/decrease, and more
Our Free Percentage Calculator - Find % of Number & Tips is a free online math utility that performs all your percentage calculations instantly in your browser. Whether you need to find what percentage one number is of another, calculate a percentage of a given value, determine percentage increase or decrease between two numbers, compute discounts and sale prices while shopping, figure out a restaurant tip, calculate business markups and profit margins, or work out ratios and proportions — our calculator handles it all with precision. Simply enter your numbers, choose the calculation type, and the result appears immediately. The tool shows the step-by-step breakdown so you can understand exactly how the percentage was derived. All calculations happen entirely in your browser using JavaScript — your numbers never leave your device. Perfect for students doing math homework, shoppers calculating discounts, business owners figuring margins, or anyone who regularly works with percentages. No downloads, no sign-up, no data collection.
What types of percentage calculations can it do? +
This Free Percentage Calculator - Find % of Number & Tips tool handles multiple operations: calculate X% of a number, find what percentage X is of Y, calculate percentage increase/decrease, and reverse percentage.
Can I calculate percentage change between two values? +
Yes. Enter the original and new values, and the tool calculates the percentage increase or decrease between them.
Does it handle reverse percentage problems? +
Yes. If you know the final value and the percentage, the tool calculates the original value before the percentage was applied.
Can I chain multiple percentage calculations? +
Yes. Use the result of one calculation as input for the next. The tool also shows the formula used for learning purposes.