Percentage Calculator

Value:

Percentage (%):

Original Value:

New Value:

Original Price:

Discount/Markup (%):

Discount Markup

Part:

Total:

About Percentage Calculator

This comprehensive percentage calculator helps you perform various percentage-related calculations including basic percentage calculations, percentage increase/decrease, discounts, markups, and ratio conversions. Perfect for financial calculations, academic work, and everyday use.

Calculation Types

Basic Percentage: Calculate what percentage of a number is another number
Increase/Decrease: Find the percentage change between two values
Discount/Markup: Calculate final prices after discounts or markups
Ratio to Percentage: Convert ratios to percentages

Common Applications

Financial calculations (interest, discounts, taxes)
Academic grading and statistics
Business markup and profit calculations
Data analysis and reporting
Everyday shopping and budgeting

Formulas Used

Basic Percentage: Result = (Value × Percentage) ÷ 100
Percentage Change: Change% = ((New - Original) ÷ Original) × 100
Discount: Final Price = Original Price × (1 - Discount%)
Markup: Final Price = Original Price × (1 + Markup%)
Ratio to Percentage: Percentage = (Part ÷ Total) × 100