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Percentage Increase Calculator

Calculate percentage increase, decrease, and change between two values. Find growth rates, price changes, and percentage differences easily.

Percentage Calculation

% Increase
% Decrease
% Change

Calculation Results

Original Value: 100
New Value: 120
Absolute Change: +20
Percentage Change: +20.00%
Change Type: Increase
Multiplier: 1.20
Ratio: 6:5

Quick Calculations

10% increase: 110
25% increase: 125
50% increase: 150
100% increase: 200

About Percentage Calculations

Percentage calculations are fundamental in mathematics, finance, statistics, and everyday life. They help us understand relative changes, compare values, and express proportions in a standardized way that's easy to understand and compare.

Common Use Cases:

• Price Changes: Stock prices, product discounts, salary increases

• Business Metrics: Sales growth, profit margins, market share

• Academic Scores: Test improvements, grade comparisons

• Health & Fitness: Weight loss/gain, body fat changes

• Economics: Inflation rates, GDP growth, unemployment

Types of percentage calculations:

  1. Percentage Increase: When the new value is greater than the original
  2. Percentage Decrease: When the new value is less than the original
  3. Percentage Change: General term for any change (positive or negative)
  4. Percentage Difference: Absolute difference relative to average of two values

Understanding Results

Positive Percentage: Indicates an increase or growth.

Negative Percentage: Indicates a decrease or decline.

Zero Percentage: No change between values.

100% Increase: Value has doubled.

50% Decrease: Value has been halved.

Percentage calculations provide a universal language for expressing change and comparison across different scales and contexts.

Percentage Formulas

Percentage Change:

% Change = ((New Value - Original Value) / Original Value) × 100

Percentage Increase:

% Increase = ((New Value - Original Value) / Original Value) × 100 (where New Value > Original Value)

Percentage Decrease:

% Decrease = ((Original Value - New Value) / Original Value) × 100 (where New Value < Original Value)

Related Calculations

Multiplier = New Value / Original Value Absolute Change = New Value - Original Value

Quick Reference

• 25% = 1/4 = 0.25

• 50% = 1/2 = 0.50

• 75% = 3/4 = 0.75

• 100% = 1/1 = 1.00

• 200% = 2/1 = 2.00

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