90 is 21.43% of 420
Calculation steps:
( 90 ÷ 420 ) x 100 = 21.43%
Formula
(90 ÷ 420) x 100 = 21.43%
90 ÷ 420 = 0.21428571428571427
Decimal to percent
0.21428571428571427 x 100 = 21.43%
Example