Percentage Calculator
Solve any percentage problem instantly — no formula needed
Select a calculation type below and enter your numbers:
🔢 What is X% of Y? X÷100 × Y
What is
% of
📊 X is what % of Y? X÷Y × 100
is what % of
📈 % Change from X to Y (Y−X)÷X × 100
From
to
➕➖ Add or Remove % from a Number
Percentage Calculator — All Types
Our percentage calculator handles the four most common percentage problems in everyday life — from calculating discounts and tax amounts to exam marks and salary hikes.
Common Uses
- Shopping: "What is 20% off ₹1,500?" → ₹300 off, pay ₹1,200.
- Exams: "I scored 432 out of 600 — what %?" → 72%.
- Salary hike: "My salary went from ₹40,000 to ₹46,000 — what % increase?" → 15%.
- GST: "Add 18% GST to ₹850" → ₹1,003.
Percentage Formulas
- X% of Y = (X ÷ 100) × Y
- X is what % of Y = (X ÷ Y) × 100
- % change = ((New − Old) ÷ Old) × 100
- Add P% to N = N × (1 + P/100)
- Remove P% from N = N ÷ (1 + P/100)
More Free Calculators
Worked Examples
Common percentage problems solved with clear steps.
Example 1: What is 12% of ₹2,500?
| Formula: (12 ÷ 100) × 2500 | = ₹300 |
Use: Enter 12 in % field and 2500 in number field in Section 1 above.
Example 2: Marks — 450 out of 600. What percentage?
| Formula: (450 ÷ 600) × 100 | = 75% |
Use: Enter 450 as X and 600 as Y in Section 2 above.
Example 3: Salary rose from ₹35,000 to ₹42,000. % increase?
| Formula: ((42000 − 35000) ÷ 35000) × 100 | = 20% |
Use: Enter 35000 as old value and 42000 as new value in Section 3 above.
Example 4: Price is ₹1,180 after adding 18% GST. What was the original?
| Formula: 1180 ÷ (1 + 18/100) = 1180 ÷ 1.18 | = ₹1,000 |
Use: Enter 1180 and 18% in the "Remove %" section (Section 4) above.
Frequently Asked Questions