57.62% is the change from 420 to 662
Calculation steps:
[( 662 - 420 ) ÷ 420] x 100 = 57.62%
Formula
Percentage change = [(662 - 420) / 420] x 100
Subtract the new number by the original number
662 - 420 = 242
242 ÷ 420 = 0.5761904761904761
0.5761904761904761 x 100 = 57.62%