21 is 7.5% of 280
Calculation steps:
( 21 ÷ 280 ) x 100 = 7.5%
Formula
(21 ÷ 280) x 100 = 7.5%
21 ÷ 280 = 0.075
Decimal to percent
0.075 x 100 = 7.5%
Example