Percentage calculator
Six ways to calculate percentages — results update instantly
What is X% of Y?
e.g. What is 20% of 150? → 30
X is what % of Y?
e.g. 30 is what % of 150? → 20%
Percentage change
e.g. From 80 to 100 → 25% increase
Increase a value by %
e.g. 200 increased by 15% → 230
Decrease a value by %
e.g. 200 decreased by 15% → 170
Tip calculator
Split a bill and calculate tip per person
Tip %