Online Percentage Calculator
A percentage calculator is an essential tool for quickly solving percentage-based problems, including percentage increase calculator, percentage decrease calculator, percentage change calculator, percentage formula calculator, and reverse percentage calculator. Whether you’re calculating what percentage one number is of another, how to find percentage increase, percentage decrease in value, percentage difference, percentage ratio, or how to add or subtract percentages, this online percentage calculator makes it effortless.
Percentage Calculator
Percentage Calculator
Result:
Change:
Difference:
Original Value:
Tip Amount:
Percentage Calculator
Our advanced Percentage Calculator offers multiple functionalities:
✅ Basic Percentage Calculation – Find percentages of any number. (Example: What is 15% of 500?)
✅ Percentage Increase/Decrease – Calculate how values change over time. (Example: Price increased from 200 to 250, what’s the percentage increase?)
✅ Percentage Difference Between Two Numbers – Compare values efficiently. (Example: The difference between 120 and 150 in percentage.)
✅ Reverse Percentage Calculator – Find the original number before a percentage change. (Example: If 90 is 10% less, what was the original value?)
✅ Tip Calculator – Easily calculate restaurant tips. (Example: How much tip to leave on a $75 bill at 18%?)
How to Use the Percentage Calculator?
Using our percentage calculator is straightforward:
Select the type of calculation you need.
Enter the required values.
Click the Calculate button.
Instantly receive your results!
FAQs – Frequently Asked Questions
Q1: How do I calculate 25% of 400?
A: Multiply 400 by 25 and divide by 100: (400 × 25) ÷ 100 = 100.
Q2: What is the easiest way to find percentage increase?
A: Use the formula ((New Value – Old Value) ÷ Old Value) × 100. For example, if a product price increases from 50 to 75, the percentage increase is ((75 – 50) ÷ 50) × 100 = 50%.
Q3: Can I use this calculator for business finance?
A: Yes! It’s great for calculating profit margins, tax rates, interest rates, and salary increments. Many businesses use percentage calculations to make financial decisions.
Q4: How do I calculate a discount price using the percentage calculator?
A: Simply enter the original price and discount percentage in the calculator. For example, if a $200 item has a 30% discount, the savings will be (200 × 30) ÷ 100 = $60, making the final price $140.
Q5: What is a reverse percentage calculation, and why is it useful?
A: Reverse percentage calculation helps find the original value before a percentage increase or decrease. Example: If 90 is after a 10% decrease, the original number was 90 ÷ (1 – 10/100) = 100. This is useful in salary calculations, tax estimations, and restoring original values in data analysis.
Q6: How can a tip calculator help me while dining out?
A: A tip calculator quickly determines how much tip to leave based on a given percentage. If your bill is $80 and you want to tip 15%, the tip amount is (80 × 15) ÷ 100 = $12.