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Percentage Increase Calculator

Calculate exactly how much a value has increased — for salary raises, price hikes, or growth tracking.

📈 Percentage Increase Calculator MAIN TOOL

% Change = ((New − Old) ÷ |Old|) × 100
Result
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Related Percentage Tools

🔄 Percentage Difference Calculator 🏷️ Discount Calculator 🔢 % of a Number Calculator 📊 All Percentage Tools (Hub) ↩️ Reverse Percentage Calculator

How Do You Work It Out?

Percentage increase = (new − old) ÷ old × 100. A salary rising from 100,000 to 115,000 is (15,000 ÷ 100,000) × 100 = a 15% increase; a price going from $50 to $58 is 16%. Enter the original and new values above and the calculator shows the exact percentage increase.

Quick Reference

OldNewIncrease
100,000115,00015%
505816%
8010025%
40,00044,00010%
25030020%
1,0002,000100%

The Percentage Increase Formula

% Increase = ((New Value − Original Value) ÷ Original Value) × 100

Worked Example — Salary Raise

If your monthly salary increased from 100,000 to 115,000: ((115,000 − 100,000) ÷ 100,000) × 100 = 15% increase.

Worked Example — Price Increase

If a product's price rose from $50 to $58: ((58 − 50) ÷ 50) × 100 = 16% increase.

Common Uses

This calculation is commonly used for evaluating salary raises against inflation, tracking rent or utility price increases year over year, measuring business revenue or user growth, and comparing investment gains. Understanding your real percentage increase — not just the raw number — gives a much clearer picture of whether a change is actually significant.

Increase vs Real (Inflation-Adjusted) Increase

A nominal percentage increase doesn't account for inflation. A 5% salary raise during a year with 8% inflation is actually a real-terms pay cut, even though the number on paper went up. When evaluating raises or long-term price changes, compare your percentage increase against the relevant inflation rate for a true picture.

Percentage Increase Over Multiple Years

A common mistake is dividing the total percentage increase by the number of years to get an "average yearly increase." If a value grows from 100 to 133.1 over 3 years, the total increase is 33.1%, but dividing that by 3 (11.03% per year) overstates the true annual rate. The actual yearly growth rate, compounded, is 10% per year, since 100 × 1.10 × 1.10 × 1.10 = 133.1. For a true year-over-year rate across multiple periods, use the compound growth rate rather than a simple average.

See what your new pay is per hour with the salary to hourly converter, or measure a fall as well as a rise with the percentage change calculator. More tools are in the percentage calculator hub.

How to Use the Percentage Increase Calculator

  1. Enter the original value.
  2. Enter the new, higher value.
  3. Read the percentage increase, calculated as (new − original) ÷ original × 100.

Frequently Asked Questions

How do I calculate percentage increase?

Subtract the original value from the new value, divide by the original value and multiply by 100. For a salary going from 40,000 to 44,000: (44,000 − 40,000) ÷ 40,000 × 100 = 10%. Enter both numbers above to get the answer instantly.

How do I know if my salary raise is actually good?

Compare your percentage increase with the inflation rate over the same period. If prices rose faster than your pay, your raise is a real-terms cut even though the number went up. Also check the raise after tax, since a higher salary can move part of your income into a higher tax slab.

Is percentage increase the same calculation as percentage change?

Yes. Both use (new − old) ÷ old × 100. Percentage increase is the name used when the value goes up; if the new value is lower, the same formula gives a negative result, which is a percentage decrease. The percentage change calculator handles both directions.

What's the difference between percentage increase and percentage points?

Percentage increase measures relative change (e.g., a rate going from 20% to 25% is a 25% relative increase). Percentage points measure the raw difference (the same change is a 5 percentage point increase). These are commonly confused but mean different things.

Can this calculator handle percentage decreases too?

This page is optimized for increases. If your new value is lower than the original, you'll get a negative result indicating a decrease — for a dedicated decrease-focused view, see our Percentage Change Calculator.

How do I calculate the average percentage increase over several years?

Don't just divide the total percentage increase by the number of years, that overstates the real rate. If a value grows from 100 to 133.1 over 3 years, the total increase is 33.1%, but the true compounded annual growth rate is 10% per year (100 × 1.10 × 1.10 × 1.10 = 133.1), not 33.1% ÷ 3 = 11.03%.

Last updated: September 2026

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