Percentage Calculator
Solve percentage problems, test mark ratios, and percentage differences.
1. What is X% of Y?
2. X is what % of Y?
3. Percentage Increase / Decrease
How It Works
1. Percentage of total: Result = (X / 100) * Y
2. Part to whole ratio: Percentage = (X / Y) * 100
3. Percentage difference: Change = ((Y - X) / X) * 100