41.43% is the change from 420 to 594
Calculation steps:
[( 594 - 420 ) ÷ 420] x 100 = 41.43%
Formula
Percentage change = [(594 - 420) / 420] x 100
Subtract the new number by the original number
594 - 420 = 174
174 ÷ 420 = 0.4142857142857143
0.4142857142857143 x 100 = 41.43%