Percentage Calculator
Calculate percentages, percentage change, percentage increase/decrease, and percentage of totals. Get instant results with step-by-step explanations.
Percentage Calculation
Percentage Calculation
Calculate what percentage one number is of another number.
Enter Values
Understanding Percentages
A percentage is a way of expressing a number as a fraction of 100. It's commonly used to compare values, show changes, and express proportions in everyday life, business, and academics.
Percentage Formulas:
- Basic Percentage: Percentage = (Part ÷ Whole) × 100
- Percentage Change: % Change = ((New Value - Old Value) ÷ Old Value) × 100
- Percentage Increase: % Increase = ((New Value - Old Value) ÷ Old Value) × 100
- Percentage Decrease: % Decrease = ((Old Value - New Value) ÷ Old Value) × 100
- Percentage of Total: % of Total = (Value ÷ Total) × 100
Common Applications:
- Grade calculations and academic performance
- Financial analysis and investment returns
- Sales and marketing metrics
- Population and demographic statistics
- Scientific and research data analysis
- Tax calculations and discounts