Percentage Calculator

Calculate percentages, percentage changes, and discounts

Find Percentage of a Number
Calculate what percentage of a number equals another number
Common Percentage Calculations
Find percentage: (Part ÷ Whole) × 100
Find the part: (Percentage ÷ 100) × Whole
Find the whole: Part ÷ (Percentage ÷ 100)
Percentage change: ((New - Old) ÷ Old) × 100
Quick Examples
25% of 200 = 50
20% discount on $100 = $80 final price
From 50 to 60 = 20% increase
From 80 to 60 = 25% decrease

How to Use the Percentage Calculator

Three Calculation Types

  1. Find Percentage: Enter a percentage and base number to calculate the result (e.g., 25% of 200)
  2. Percentage Change: Enter original and new values to find the percentage increase or decrease
  3. Discount Calculator: Enter original price and discount percentage to find final price and savings

Step-by-Step Instructions

Select the appropriate tab based on your calculation needs, enter the required values in the input fields, and click the calculate button. Results are displayed instantly with detailed explanations and visual formatting.

Applications and Use Cases

Business and Finance

Calculate profit margins, commission rates, tax amounts, and investment returns. Essential for financial analysis, budgeting, and business planning. Determine percentage-based fees, interest calculations, and financial ratios.

Sales and Marketing

Calculate discount amounts for promotions, determine markup percentages, and analyze sales performance. Perfect for pricing strategies, promotional campaigns, and revenue analysis.

Academic and Statistics

Convert test scores to percentages, calculate grade distributions, and analyze statistical data. Useful for educational assessments, research data analysis, and academic performance tracking.

Personal Finance

Calculate tips at restaurants, determine savings percentages, analyze expense ratios, and track budget allocations. Helpful for personal budgeting, expense tracking, and financial goal planning.

About Percentage Calculations

Percentages are a way of expressing a number as a fraction of 100. They are widely used in finance, statistics, and everyday calculations like discounts, tips, and interest rates.

This calculator helps you perform the most common percentage calculations: finding a percentage of a number, calculating percentage changes, and computing discounted prices.