Percentage Calculator – Free Online Tool

Our free online Percentage Calculator, quickly calculate percentages and percentage changes.
Perfect for finance, school, business, and everyday use. Works on both desktop and mobile.

Percentage Calculator

Calculate percentages, increases, decreases, and percentage differences instantly.

Number

Example: 150

Percentage (%)

Example: 20

Quick percentages

Second number (optional for comparison)

Example: 100

Results

Enter values to see results.

Percentage Examples

Enter values above to generate examples.

Share this result:

Subscribe for updates

How to Use the Percentage Calculator

Our calculator automatically calculates several percentage results at once.
Simply enter your numbers and the results update instantly.

Percentage Of
Enter a number and a percentage to calculate the percentage value.
Example: 20% of 150 = 30.
Percentage Increase
Shows the new value when a number increases by a given percentage.
Example: 150 increased by 20% = 180.
Percentage Decrease
Shows the reduced value when a number decreases by a given percentage.
Example: 150 decreased by 20% = 120.
Percentage Difference
Compare two numbers to see the percentage increase or decrease between them.
Example: Comparing 80 and 100 = 25% increase.

Tip: You can also use the quick percentage buttons for common values such as 10%, 20%, or 50%.

How do I calculate a percentage of a number?

A: Enter the base value and the percentage. The calculator instantly shows the result (e.g., 20% of 150 = 30).

What is the difference between percentage increase and decrease?

A percentage increase shows how much a value grows, while a percentage decrease
shows how much it reduces compared to the original value.

How do I compare two numbers with the percentage difference tool?

A: Enter both numbers, and the calculator shows the relative difference as a percentage (e.g., 80 compared to 100 = 25% increase).

Is the calculator free to use?

Yes, it’s 100% free, with no signup or subscription required.

Can I use this calculator on mobile?

Yes. The calculator works on both desktop and mobile devices and updates results automatically as you type.

About the Percentage Calculator

The Eqsy Percentage Calculator helps you quickly calculate percentages, percentage increases, decreases, and differences in seconds.

Whether you need to calculate a discount, compare two numbers, or solve a percentage problem for school or work, this tool provides fast and accurate results.

Perfect for:

Discounts and price changes
Business and data analysis
School math and homework
Everyday calculations

The calculator works instantly in your browser with no downloads or sign-up required.

Common Percentage Examples

Here are some simple examples of percentage calculations:

20% of 150 = 30
15% of 200 = 30
10% increase from 100 = 110
25% decrease from 80 = 60

These examples show how percentages can be used to quickly compare values or calculate changes.

Related Calculators

Explore more free calculators on Eqsy.io. These tools help you solve everyday math problems quickly and easily.

🧮 Algebra Solver

Solve algebra equations step by step with hints, practice mode, and game mode.

Basic Calculator
Perform simple math operations quickly.

Scientific Calculator
Advanced calculations including trigonometry.

Triangle Calculator
Solve triangles using multiple formulas.

Area Calculator
Calculate the area of common shapes.

Volume Calculator
Calculate volume of cubes, cylinders and spheres.