Percentage Calculator - % Increase, Decrease, Find %

Calculate any percentage in 1 second. Our free Percentage Calculator 2026 finds % of a number, % increase, % decrease, and what % is X of Y.

What is Percentage Calculator?

A Percentage Calculator helps you solve % problems fast. Students, shopkeepers, and students use it for marks, discount, tax, and profit/loss.

Percentage Calculator Tool

Select Calculation Type

What is X% of Y?X is what % of Y?% Increase% Decrease

How to Use Percentage Calculator

Step 1: Select type: % of, % is, Increase, Decrease.

Step 2: Enter 2 numbers and click `Calculate`.

Examples

20% of 150 = 30
30 is what % of 150 = 20%
100 to 120 = 20% Increase

FAQ

Q1: How to find discount %?
Use % Decrease. Old Price = 100, New Price = 80, Result = 20% off.

Q2: Is it free?
Yes, 100% free.

What is Percentage Calculator?

Percentage Calculator ek free math tool hai jo kisi bhi % ka calculation 1 second me kar deta hai. Isse aap % Increase, % Decrease, Discount, Profit Loss aur "X is what % of Y" nikal sakte ho. Students, shopkeepers aur office walo ke liye bahut useful hai.

How to Use Percentage Calculator?

Step 1: Calculation Type select karein - % of Number, % Increase, % Decrease, X is what % of Y

Step 2: Number dalein aur "Calculate" dabayein

Step 3: Niche result turant aa jayega

Percentage Formula with Examples

1. Find X% of Y
Formula: Y x X / 100
Example: 20% of 150 = 150 x 20 / 100 = 30

2. % Increase
Formula: [(New - Old) / Old] x 100
Example: Price 100 se 120 hua. Increase = [(120-100)/100] x 100 = 20%

3. % Decrease / Discount
Formula: [(Old - New) / Old] x 100
Example: Price 100 se 80 hua. Discount = [(100-80)/100] x 100 = 20%

4. X is what % of Y
Formula: (X / Y) x 100
Example: 30 is what % of 150 = (30/150) x 100 = 20%

Where is Percentage Used in Real Life?

1. Shopping: 50% OFF, 30% Discount nikalne ke liye

2. Marks: 450/500 = 90% kitne % aaye

3. Business: Profit Loss % nikalna

4. Bank: Interest, Tax, EMI calculation

5. Salary: 10% Increment kitna hoga

Percentage Tips for Students

1. Easy Trick: 10% nikalna hai to number me /10 kar do. 250 ka 10% = 25

2. 5%: 10% ka aadha. 250 ka 5% = 12.5

3. 25%: Number ko /4 kar do. 200 ka 25% = 50

FAQ - Percentage Calculator

Q1: How to calculate discount %? [(Old Price - New Price) / Old Price] x 100

Q2: What is 1% of 1000? 1000 x 1 / 100 = 10

Q3: Is this calculator free? Haan, 100% free hai. Koi signup nahi.

Q4: Can I use on mobile? Haan, mobile aur laptop dono par kaam karta hai.