Find a percent of a quantity — like 25% of 80 = 20
Drag the percent with − and +, and change the whole with the bottom steppers. Watch the bar fill and the value update.
Percent (p%)
The whole (A)
30% of 80 equals
24
A × p ÷ 100 = 80 × 30 ÷ 100 = 2400 ÷ 100 = 24
10% of 80 = 8, so 30% = 8 × 3 = 24