Percentage Calculator
Calculate percentages instantly — % of a number, percentage change, difference and more.
Find X% of a number
18% GST on ₹1000
₹180
10% of ₹50,000
₹5,000
25% increase
+25%
5% discount on ₹2000
₹100 off
How to Calculate Percentages
Select the type of percentage calculation you need, enter your values, and click Calculate. Results appear instantly. Use the % Change tab to find salary hikes, price changes, or discount amounts.
Frequently Asked Questions
How do I calculate 18% GST on an amount?
Use the "% of Number" tab. Enter 18 as percentage and your base amount. The result is the GST amount. Add it to the base to get the total.
What is percentage change?
Percentage change = ((New Value - Old Value) / |Old Value|) × 100. A positive result means increase, negative means decrease.
What is the difference between % change and % difference?
% Change is directional (from A to B). % Difference is symmetric — it compares two values without a direction, using their average as the base.
How to find what percentage a score is?
Use the "X is what %" tab. Enter your score as X and the total marks as Y. The result is your percentage score.
How to calculate discount percentage?
Use % Change tab. Enter original price as "From" and discounted price as "To". The result shows the discount percentage.