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

The original calculator was invented in the 17th century by a Frenchman called Blaise Pascal! He was just 18 years old, and wanted to help his father do his tax calculations.

A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

Free online percentage calculator for increase, decrease, parts of total & more. Quick, accurate, and perfect for math, finance, or daily use.

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 …

Nov 21, 2025 · Percentage increase calculator finds the increase from one value to another as a percentage of the first value. Shows you how to find percentage increase with percent …

Omni Calculator provides solutions for a wide range of problems, from finance and business to health. It’s so fast and easy you won’t want to do the math again!