Percentage Calculator 4

What is X% of Y?

Formula: (X ÷ 100) × Y

X is Y% of What?

Formula: (X ÷ Y%) × 100

X is what % of Y?

Formula: (X ÷ Y) × 100

Increase/Decrease Y by X%

Formula: Increase: Base × (1 + X/100), Decrease: Base × (1 - X/100)