What is the formula for percentage?

The basic formula is (Part / Whole) * 100 = Percentage. For a percentage of a number, it's (Percentage / 100) * Whole = Part. Our free online calculator handles all these formulas for you automatically.

How do you calculate percentage change?

The formula for percentage change is ((New Value - Original Value) / Original Value) * 100. A positive result is a percentage increase, and a negative result is a percentage decrease.

Is this calculator free?

Yes, this is a 100% free online tool for all your percentage calculation needs.

Percentage Calculator | Conversores Online

Percentage Calculator

Calculate percentages easily.

Basic Percentage

Calculate simple percentages.

What is % of ?

–

is what percent of ?

–%

Percentage Increase/Decrease

Calculate percentage change between two numbers.

From

Increase

Decrease

How to Use the Free Online Percentage Calculator

Choose a Calculation: Decide which type of percentage calculation you need.
Enter Your Numbers: Input your values into the appropriate fields for that calculation.
View Instant Results: The answers will update automatically as you type. This online calculator is completely free and easy to use.

Frequently Asked Questions