90 is 21.38% of 421
Calculation steps:
( 90 ÷ 421 ) x 100 = 21.38%
Formula
(90 ÷ 421) x 100 = 21.38%
90 ÷ 421 = 0.21377672209026127
Decimal to percent
0.21377672209026127 x 100 = 21.38%
Example