About Percentage Calculator

A percentage calculator is a useful tool that helps you determine what percent one number is of another, find the result of a percentage of a number, and calculate percentage increases or decreases. Our easy-to-use calculator offers three main calculation types to cover all your percentage needs.

How to Use the Percentage Calculator

1. Basic Percentage Calculation: Enter the percentage and the value to calculate a percentage of a number.
2. Percentage Change: Enter the initial and final values to calculate how much a value has increased or decreased in percentage terms.
3. Percentage Difference: Enter two values to calculate the percentage difference between them.

Understanding Percentages

A percentage is a number expressed as a fraction of 100. The word comes from the Latin "per centum," meaning "by the hundred." Percentages are used to express how large or small one quantity is relative to another quantity.

Percentage Formulas

Here are the formulas used in our percentage calculator:

• Basic Percentage: P% of X = (P/100) × X
• Percentage Change: ((Final Value - Initial Value) / Initial Value) × 100%
• Percentage Difference: (|Value1 - Value2| / ((Value1 + Value2)/2)) × 100%

Common Uses of Percentage Calculations

Percentages are used in various scenarios in everyday life:

• Calculating discounts during sales
• Determining tax amounts
• Computing interest rates for loans and investments
• Measuring business growth or decline
• Analyzing statistical data
• Tracking changes in measurements (weight loss/gain, etc.)