Percentage Change: %

Percentage Increase/Decrease Calculator | Calculate a Percentage

 

Understand Percentage Change in Real Life 

Knowing how to calculate percentage change is a must in today’s world. Whether you’re checking how much your savings grew, how prices changed, or how a project performed, this knowledge helps you stay on top of things. 

Our Percentage Increase/Decrease Calculator makes the job simple. It works for price shifts, investments, sales, stock analysis, and more. If you want to save time, stay accurate, and make smarter decisions, this is your go-to tool. 

To make it even easier, try hcalculator — a free calculator site that makes percentage math fast and effortless. 

What Is a Percentage Change? 

Percentage change tells you how much a number increased or decreased compared to its starting value. It’s a great way to measure progress or loss over time. 

How to Calculate Percentage Change With Percentage Increase/Decrease Calculator?

Here’s the basic formula: 

Percentage Change = 
(New Value − Original Value) / Original Value × 100 

This formula works whether the change is an increase or a decrease. 

How to Calculate Percentage Increase With Percentage Increase/Decrease Calculator?

When the new number is bigger than the old one, it’s a percentage increase. 

Example: 
Price goes from $50 to $60: 
(60 – 50) / 50 × 100 = 20% increase 

This shows a 20% rise in price. 

Want to save time? Use the Percentage Increase Calculator on hcalculator for instant results. 

How to Calculate Percentage Decrease? 

If the new number is lower, it’s a percentage decrease. 

Example: 
Price drops from $80 to $64: 
(80 – 64) / 80 × 100 = 20% decrease 

Quickly compare any drop using an online Percentage decrease calculator. 

How to Use a Percentage Change Calculator? 

Just enter the original and new values. The calculator instantly shows the percent increase or decrease. It’s ideal for students, business owners, investors, and anyone who works with numbers. 

You can try hcalculator to easily calculate percent changes and more. 

Excel Users: Calculate Percentage Change in a Snap 

In Excel: 

  • Type the old value in A1 
  • Type the new value in B1 
  • n C1, enter: 
    =(B1-A1)/A1*100 

Press Enter, and Excel shows the percent change. 

Percentage Change in Everyday Use 

Here’s where you’ll use this simple math every day: 

Stock Market 

Track gains or losses in your investments. 

Price Changes 

See how much a price increased or decreased—great for budgeting or shopping. 

Business Sales 

Measure growth or drop in revenue across months or years. 

Data Analysis 

Use it in reports, Excel sheets, and charts to show trends clearly. 

Important Formulas to Remember 

Percentage Increase 

(New – Original) / Original × 100 

Percentage Decrease 

(Original – New) / Original × 100 

Percentage Difference 

|Value 1 – Value 2| / ((Value 1 + Value 2)/2) × 100 

These simple formulas can be calculated by hand or with a tool like hcalculator. 

Convert Percent to Decimal or Fraction 

Need to convert between formats? 

  • To Decimal: Divide percent by 100 
    Example: 25% → 0.25 
  • To Fraction: Write over 100 and simplify 
    Example: 25% → 25/100 = 1/4 

Why Use a Percentage Calculator? 

A percentage calculator removes guesswork and avoids mistakes. Whether you’re a student solving homework or a manager reviewing sales reports, this tool is a must. 

Try one now at hcalculator and make number work fun, fast, and accurate. 

Final Thoughts 

Learning how to calculate percentage increase and decrease helps in finance, shopping, work, and daily life. Subtract, divide, and multiply—three quick steps that unlock insights. 

Use a reliable tool like hcalculator to speed things up and boost your accuracy. It’s simple, free, and perfect for any percentage calculation. 

FAQs 

  1. What is a percentage increase calculator?
    It finds how much a value has increased in percentage form.
  2. How do I calculate percentage decrease?
    Subtract the new value from the original, divide by the original, and multiply by 100.
  3. What’s the easiest way to find percent change?
    Use the formula or a free calculator like hcalculator.
  4. Can I use Excel for percentage change?
    Yes. Excel works great for tracking changes over time.
  5. Where is percentage change used?
    In business, finance, retail, school, reports, and daily decisions.