Percentage Increase/Decrease Calculator

Calculate percentage increase or decrease between two values

Enter two values to find the percentage increase or decrease between them

How to Calculate

Percentage Change Formula:

((New Value - Original Value) / Original Value) × 100

Examples

Original New Change Example
$100 $150 +50% Price increase
80kg 60kg -25% Weight loss
1000 1200 +20% Sales growth
Original New Change In Percentage Change In Words Solution Link
$21.4K $17.1K 20.00% Price decrease 21.4K to 17.1K
$40K $52.4K 31.00% Price increase 40K to 52.4K
$800K $1176K 47.00% Price increase 800K to 1176K
$69.5K $77.8K 12.00% Price increase 69.5K to 77.8K
$45K $28.8K 36.00% Price decrease 45K to 28.8K
$900K $360K 60.00% Price decrease 900K to 360K
$7.4K $8.4K 13.00% Price increase 7.4K to 8.4K
$42K $35.7K 15.00% Price decrease 42K to 35.7K
$400K $636K 59.00% Price increase 400K to 636K
$13.4K $16.2K 21.00% Price increase 13.4K to 16.2K
$90K $121.5K 35.00% Price increase 90K to 121.5K
$600K $942K 57.00% Price increase 600K to 942K
$99.5K $137.3K 38.00% Price increase 99.5K to 137.3K
$83K $116.2K 40.00% Price increase 83K to 116.2K
$500K $680K 36.00% Price increase 500K to 680K

Common Uses of Percentage Calculations

Business & Finance

  • Profit margins
  • Sales growth
  • Investment returns
  • Tax calculations
  • Discount rates

Personal Finance

  • Savings goals
  • Investment tracking
  • Mortgage calculations
  • Budget planning
  • Salary changes

Education

  • Grade improvements
  • Test scores
  • Academic progress
  • Attendance rates
  • Performance metrics

Frequently Asked Questions

What is a percentage?
A percentage is a number expressed as a fraction of 100. It represents a part of a whole, where the whole is 100%.
How do I calculate a simple percentage?
To calculate a percentage, divide the part by the whole and multiply by 100. For example, if 50 out of 200 students passed, that's (50 ÷ 200) × 100 = 25%.
What's the difference between percentage increase and decrease?
A percentage increase occurs when the new value is higher than the original value, while a decrease occurs when the new value is lower.

Practical Examples with Solutions

Retail Discount

Original Price: $80

Sale Price: $60

Percentage Decrease = ((80 - 60) ÷ 80) × 100 = 25%

Investment Growth

Initial Investment: $1,000

Current Value: $1,250

Percentage Increase = ((1,250 - 1,000) ÷ 1,000) × 100 = 25%

Samples Table :

Original New Change In Percentage Change In Words Solution Link
$61.2 $52 15.00% Price decrease 61.2 to 52 Percentage Change
$78 $57.7 26.00% Price decrease 78 to 57.7 Percentage Change
$300 $222 26.00% Price decrease 300 to 222 Percentage Change
$82.3 $60.9 26.00% Price decrease 82.3 to 60.9 Percentage Change
$35 $50.8 45.00% Price increase 35 to 50.8 Percentage Change
$800 $544 32.00% Price decrease 800 to 544 Percentage Change
8720 6100 30.00% Price decrease 8720 to 6100
2700 3920 45.00% Price increase 2700 to 3920
70000 32200 54.00% Price decrease 70000 to 32200

Quick Percentage Tips

Common Percentages

  • 10% = Move decimal point one place left
  • 5% = Half of 10%
  • 15% = 10% + 5%
  • 20% = Double 10%
  • 25% = Quarter of 100%

Industry Applications

Real Estate

  • Property appreciation
  • Mortgage rates
  • Rental yields
  • Market comparisons

E-commerce

  • Product markups
  • Discount strategies
  • Profit margins
  • Conversion rates

Healthcare

  • Recovery metrics
  • Treatment success
  • Health indicators
  • Vital signs

Percentage Increase

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