Percentage Increase Calculator
Find out how much a value grew — a salary, a price, a follower count or a monthly revenue figure — expressed as a clean percentage. Enter the original and the new value and the answer updates instantly, with the step-by-step working shown underneath.
Plain English
How it works
- Subtract the original value from the new value to get the growth.
- Divide that growth by the original value.
- Multiply by 100 to express it as a percentage.
See it in action
Worked examples
Salary increase from $48,000 to $52,000
- Find the growth: 52,000 − 48,000 = 4,000
- Divide by the original salary: 4,000 ÷ 48,000 = 0.08333
- Multiply by 100: 0.08333 × 100 = 8.33%
Answer: 8.33% increase
Comparing a new job offer to your current salary, or reporting annual pay rise figures.
Website traffic increased from 1,000 to 1,500 visitors
- Find the growth: 1,500 − 1,000 = 500
- Divide by the original traffic: 500 ÷ 1,000 = 0.5
- Multiply by 100: 0.5 × 100 = 50%
Answer: 50% increase
Month-over-month or year-over-year growth reporting for a blog, store, or marketing campaign.
Stock price rose from $50 to $65
- Find the growth: 65 − 50 = 15
- Divide by the original price: 15 ÷ 50 = 0.3
- Multiply by 100: 0.3 × 100 = 30%
Answer: 30% increase
Tracking investment returns or comparing one stock’s gain against another over the same period.
Population growth from 100,000 to 125,000
- Find the growth: 125,000 − 100,000 = 25,000
- Divide by the original population: 25,000 ÷ 100,000 = 0.25
- Multiply by 100: 0.25 × 100 = 25%
Answer: 25% increase
Census or city-planning figures, or reporting user-base growth for a product launch.
Sales increased from $10,000 to $15,000
- Find the growth: 15,000 − 10,000 = 5,000
- Divide by the original sales: 5,000 ÷ 10,000 = 0.5
- Multiply by 100: 0.5 × 100 = 50%
Answer: 50% increase
Quarter-over-quarter revenue reporting, or measuring the lift from a new marketing channel.
Answers
Frequently asked questions
What is the percentage increase formula?
(New value − Original value) ÷ Original value × 100.
Why is my increase over 100%?
Because the value more than doubled. Going from 800 to 2,000 is a 150% increase — the new value is 250% of the original.
Can I calculate an increase from zero?
No. Dividing by zero is undefined, so a percentage increase from 0 cannot be expressed.
Is percentage increase the same as percentage points?
No. Going from 4% to 6% is a 2 percentage-point rise but a 50% increase.
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