📊 Free Percentage Calculator

Solve all percentage problems instantly with step-by-step formula explanations.

✅ 4-in-1 Multi Solver ✅ Real-Time Calculation ✅ Step-by-Step Breakdown

1. What is X% of Y?

What is % of ?

Result:

37.5

Formula: (15 / 100) * 250 = 37.5

2. X is What % of Y?

is what % of ?

Result:

25%

Formula: (45 / 180) * 100 = 25%

3. Percentage Change (Increase / Decrease)

From to

Percentage Change:

+50% (Increase)

Formula: ((120 - 80) / 80) * 100 = +50%

4. Discount & Savings Calculator

Original Price: $ Discount %:

Final Discounted Price:

$120.00 (You Save $30.00)

Formula: 150 - (150 * 0.20) = $120.00

How to Calculate Percentages

A percentage represents a fraction of 100. Calculating percentage values is a fundamental skill used in everyday shopping discounts, sales taxes, tips, profit margins, and statistical comparisons.

Standard Percentage Formula

Percentage Value = (Percent / 100) × Total Amount