Percentage Calculator

Calculate percentages, percentage changes, and solve percentage-based problems with precision.

Select Calculation Type:

What is X% of Y?

% of

Result

0
Enter values above

Visual Representation

0%

Percentage Breakdown

Calculated Amount: 0
Remaining Amount: 0
Total: 0

Percentage Formulas

X% of Y

Result = (X/100) × Y

X is what % of Y

Percentage = (X/Y) × 100

Percentage Change

Change = ((New - Old)/Old) × 100

Reverse Percentage

Original = (100 × Value) / (100 + Percentage)

Quick Examples

20% of 100 = 20
Basic percentage calculation
25 is what % of 200 = 12.5%
Find percentage of total
100 to 120 = +20%
Calculate percentage increase
150 to 120 = -20%
Calculate percentage decrease