18 is 4.28% of 421
Calculation steps:
( 18 ÷ 421 ) x 100 = 4.28%
Formula
(18 ÷ 421) x 100 = 4.28%
18 ÷ 421 = 0.04275534441805225
Decimal to percent
0.04275534441805225 x 100 = 4.28%
Example