प्रतिशत कमी कैलकुलेटरसूत्र

## How to Calculate Percentage Decrease

### Formula

**Percentage Decrease = ((Old Value - New Value) / Old Value) × 100**

This formula tells you how much a value has decreased relative to the original amount.

हल किया गया उदाहरण

A stock price dropped from $80 to $60. What is the percentage decrease?

  1. Difference = 80 - 60 = 20
  2. Percentage Decrease = (20 / 80) × 100
  3. = 0.25 × 100
  4. = 25%