Percentage Calculator

Calculate percentages, discounts, and percentage changes

Calculation Type:

What is X% of Y? Percentage change from X to Y X is what % of Y? Calculate discount Calculate tip

Percentage (%):

Of Total:

Common Formulas:

Percentage of a number: (Percentage ÷ 100) × Total
Percentage change: ((New - Original) ÷ Original) × 100
Discount amount: Original Price × (Discount% ÷ 100)
Tip amount: Bill × (Tip% ÷ 100)