Calculate percentages easily with our free online tool
Formula: (X ÷ 100) × Y
Example: What is 20% of 300?
(20 ÷ 100) × 300 = 60
Formula: (X ÷ Y) × 100
Example: 50 is what % of 200?
(50 ÷ 200) × 100 = 25%
Formula: ((New - Original) ÷ Original) × 100
Example: Increase from 80 to 120?
((120-80)÷80)×100 = 50%
Formula: ((Original - New) ÷ Original) × 100
Example: Decrease from 200 to 180?
((200-180)÷200)×100 = 10%