🎯 Percentage Calculator

Use this calculator to solve various percentage problems. Fully responsive, with real-time results and chart visualization.

1️⃣ Find X% of a number

Formula: (X ÷ 100) × number

Example: 20% of 150 = 30

2️⃣ What % is A of B

Formula: (A ÷ B) × 100

Example: 30 is 20% of 150

3️⃣ Percentage Increase

Formula: ((New − Old) ÷ Old) × 100

Example: Increase from 100 to 150 = 50%

4️⃣ Percentage Decrease

Formula: ((Old − New) ÷ Old) × 100

Example: Decrease from 150 to 100 = 33.33%

📊 Results

These formulas help visualize data and simplify complex comparisons with charts and clear labels.