Percentage Calculator
Calculate percentages, marks percentage, increase and decrease quickly and easily.
Calculate Percentage
Select a calculation and enter your values.
What is X% of Y?
Example: What is 25% of 200?
Percentage Formulas
Percentage of a Number
To find X% of Y:
(X ÷ 100) × Y
Find Percentage
To find what percentage X is of Y:
(X ÷ Y) × 100
Percentage Change
To find percentage change:
((New − Old) ÷ Old) × 100
Percentage Calculator for Students
Use this free percentage calculator to calculate exam marks percentages, solve aptitude questions, compare values and verify calculations while preparing for TNPSC and other competitive examinations.