What is the formula for percentage increase?

Percentage increase = ((New - Original) / |Original|) × 100. This gives the relative growth as a percentage of the original value.

How is percentage increase different from percentage change?

Percentage increase only applies when the new value is greater than the original. Percentage change can be positive (increase) or negative (decrease).

Can I use this for salary calculations?

Yes. Enter your current salary as the original value and the raise amount as the new value to see the percentage increase, or enter the percentage to find your new salary.

What if the original value is zero?

Percentage increase is undefined when the original value is zero because you cannot divide by zero. The calculator will not show a result in that case.

How do I calculate multiple successive increases?

Multiply the multipliers. Two successive 10% increases give 1.10 × 1.10 = 1.21, or a 21% total increase — not 20%, because the second increase is applied to the already-increased value.

Math

↵ to calculate

Percentage Increase Calculator - Find % Increase Online

Calculate the percentage increase from one value to another, or find the new value after a percentage increase.

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How to use this calculator

👉 Fill in the boxes below and your answer appears instantly — no maths needed, we do it all for you! 🎉

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In plain English — what does this do?

🍬 Say you have 100 candies. If you eat 20 of them, you ate 20% (20 out of 100). This tool helps you quickly find out ‘what part of a number is something?’ — super easy!

📌 Direct Answer & Summary

A percentage increase calculator finds how much a value has grown relative to its original amount, expressed as a percentage. It can also work in reverse — given an original value and a percentage increase, it calculates the new value. This is useful for tracking price changes, salary raises, investment growth, and more.

Original Value

New Value

What is Percentage Increase Calculator - Find % Increase Online?

How to use it

1️⃣ To find the percentage increase, select the 'Find % Increase' tab and enter the original and new values.
2️⃣ To find the new value after an increase, select the 'Find New Value' tab and enter the original value and the percentage increase.
3️⃣ Results appear instantly as you type.
4️⃣ The result panel also shows the absolute increase alongside the percentage.

Formula

Percentage increase = ((New Value - Original Value) / |Original Value|) × 100. New value after increase = Original Value × (1 + Percentage / 100).

💡 See it in action — a real example

If a product's price rose from $80 to $100, the percentage increase is ((100 - 80) / 80) × 100 = 25%. Conversely, a $200 item increased by 25% becomes 200 × 1.25 = $250.

❓ Common questions

What is the formula for percentage increase?: Percentage increase = ((New - Original) / |Original|) × 100. This gives the relative growth as a percentage of the original value.
How is percentage increase different from percentage change?: Percentage increase only applies when the new value is greater than the original. Percentage change can be positive (increase) or negative (decrease).
Can I use this for salary calculations?: Yes. Enter your current salary as the original value and the raise amount as the new value to see the percentage increase, or enter the percentage to find your new salary.
What if the original value is zero?: Percentage increase is undefined when the original value is zero because you cannot divide by zero. The calculator will not show a result in that case.
How do I calculate multiple successive increases?: Multiply the multipliers. Two successive 10% increases give 1.10 × 1.10 = 1.21, or a 21% total increase — not 20%, because the second increase is applied to the already-increased value.

⚡ Related Math Tools & Calculators

Percentage Decrease Calculator Percentage Calculator Average Calculator