Percentage Calculator

Find X% of Y, increase or decrease by a percentage.

calculate Math Calculators verified_user Runs in your browser lock No data uploaded
grid_view All Math Calculators apps Tool hub

Switch tool

percent Percentage Calculator functions Fraction Calculator balance Ratio Calculator analytics Average Calculator show_chart Standard Deviation Calculator calculate Modulo Calculator numbers LCM & GCD Calculator filter_1 Prime Number Checker exposure Scientific Notation Converter function Quadratic Equation Solver shuffle Permutation & Combination functions Logarithm Calculator
tune

Workspace

Runs locally in your browser

verified_user Private bolt Instant

percent What is X% of Y?

trending_up Increase / decrease by %

compare X is what % of Y?

About this tool

Find X% of Y, increase or decrease by a percentage This free Math Calculators tool from Bhuvanesh C runs entirely in your browser — your data stays on your device.

FAQ

Common questions about the Percentage Calculator.

Find what percentage X is of Y, increase or decrease a value by a percentage, and compute the percentage change between two numbers — all update live as you type.
Increase adds the percentage to the base value; decrease subtracts it. The tool shows both the delta and the final result so you can verify invoices or discounts.
Yes. Enter values like 12.5% or use fractional bases — results use standard floating-point math suitable for everyday calculations.
keyboard
auto_awesome New Typing

Free online typing test

Practice WPM, accuracy, quotes, and coding snippets — timed tests, personal bests, and key heatmaps. Free in your browser.

Start typing test arrow_forward