Percentage Decrease Calculator

Calculate the percentage decrease between two values.

Calculator

Enter Values

Enter the original value

Enter the new value

Concept

Percentage Decrease Concept

Percentage decrease is a measure of how much a value has decreased relative to its original value. It is expressed as a percentage and is calculated by finding the difference between the original and new values, dividing by the original value, and multiplying by 100.

Percentage Decrease Formula:
Percentage Decrease = ((Original Value - New Value) / Original Value) × 100
Steps

Calculation Methods

Here are the steps to calculate percentage decrease:

  1. 1
    Find the difference between the original and new values
  2. 2
    Divide the difference by the original value
  3. 3
    Multiply the result by 100 to get the percentage

For example, to calculate the percentage decrease from 100 to 80:

Example Calculation:
((100 - 80) / 100) × 100 = 20%
Examples

Percentage Decrease - Practical Examples

Example 1 Price Decreases

Calculating the percentage decrease in prices.

Price decreased from $100 to $80 = 20% decrease

Example 2 Population Decline

Calculating the percentage decrease in population.

Population decreased from 1,000 to 800 = 20% decrease

Example 3 Temperature Drop

Calculating the percentage decrease in temperature.

Temperature decreased from 20°C to 16°C = 20% decrease

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