Percentage Change Calculator



 

Percentage Change Calculator: Increase, Decrease, & Difference

What Is the Easiest Way to Calculate Percent Change? 

The easiest method is using the free Percentage Change Calculator by hcalculator. This tool instantly calculates: 

No manual effort — just input two numbers, and get accurate results fast. 

What Is  Percentage Change?

Percentage change measures how much a value has increased or decreased in comparison to its original value. 

For example: 
If a product’s price goes from $50 to $75, the percentage change is a 50% increase. 

You can use it for: 

  • Price tracking 
  • Investment returns 
  • Salary growth 
  • Academic progress 

👉 Try it instantly on hcalculator – no sign-up needed. 

How to Calculate Percentage Change? 

Use this formula: 

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

This gives you a clear percentage of how much a value has changed. 

Percentage Change Formula 

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Percentage Change = (Final – Initial) / Initial × 100  

Percentage Increase Formula 

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New Value = Original Value × (1 + Percent Increase ÷ 100)  

Percentage Decrease Formula 

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New Value = Original Value × (1 – Percent Decrease ÷ 100)  

Using the calculator’s Tool 

Just visit the calculator, enter your original and new values, and the tool will show: 

  • Percentage increase or decrease 
  • Absolute value change
  • Percentage difference 

No math skills needed — perfect for students, professionals, or personal finance. 

How to Find Percentage Difference? 

Use this formula to find the difference between two values: 

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|Value1 – Value2| / ((Value1 + Value2) / 2) × 100  

This gives a symmetrical comparison regardless of which value is larger. 

Example: New Value Calculation 

If your current salary is $2,000 and it increases by 10%: 

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2000 × (1 + 10 ÷ 100) = 2200  

Result: Your new salary will be $2,200. 

Formula: “X is What Percent of Y” 

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(X ÷ Y) × 100  

Example: 
What percent is 30 of 60? 

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(30 ÷ 60) × 100 = 50%  

Formula: “X Percent of Y” 

To find X% of Y: 

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(X ÷ 100) × Y  

Example: 
30% of 200 = 

  

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(30 ÷ 100) × 200 = 60  

Examples of Percent Change 

  • From 5 to 20 → 300% increase 
  • From 20 to 10 → 50% decrease 
  • From 2 to 3 → 50% increase 
  • From 5 to 4 → 20% decrease 

Calculate more examples using the free percentage change tool. 

Percent Points Vs Relative Percentage 

  • Percentage points: Numerical difference between two percentages (e.g., 25% to 30% = 5 percentage points) 
  • Relative percentage: Change about the original (e.g., 20% to 30% = 50% increase) 

Can You Use Negative Numbers? 

Yes. The calculator on calculator handles negative values too. For example, going from -50 to -25 is still a positive change of 50%. 

Why Use the Percentage Calculator from hcalculator? 

✔️ Fast & free 
✔️ No ads, no login 
✔️ Works for business, school, or everyday calculations 
✔️ Mobile-friendly interface 

From calculating discounts while shopping to evaluating financial growth, a calculator has you covered. 

Real-Life Example 

Price increase example: 
A product goes from $1,000 to $1,200: 

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(1200 – 1000) ÷ 1000 × 100 = 20% increase  

Price decrease example: 
$1,000 to $900: 

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(900 – 1000) ÷ 1000 × 100 = -10% decrease  

Final Thought 

Calculating percentage change doesn’t have to be hard. Whether you’re dealing with discounts, price increases, academic performance, or budgeting, the Percentage Change Calculator by hcalculator makes it simple. 

FAQs About Percentage Change 

  1. What is the difference between percentage increase and percentage change?

Percentage change covers both increases and decreases. The percentage  increase is only for upward changes. 

  1. Can I use the percentage change calculator for negative values?

Yes, the calculator supports both positive and negative numbers. 

  1. What is the percentage difference used for?

It’s used to compare two values regardless of direction. It’s especially useful in statistics and scientific measurements. 

  1. Is this tool mobile-friendly?

Absolutely. The calculator site is responsive and works on phones, tablets, and desktops. 

  1. Is this calculator free to use?

Yes, the Percentage Change Calculator on hcalculator is 100% free — no sign-up or subscription required. 

Visit hcalculator today and make quick, accurate percentage calculations with confidence.