Percentage Calculator

Percentage Calculation Modes

• X% of Y: (X/100) × Y — e.g., 20% of 150 = 30
• X is what % of Y: (X/Y) × 100 — e.g., 30 is 20% of 150
• % Change: ((Y-X)/X) × 100 — e.g., from 100 to 120 = +20%