30.55% is the change from 455 to 594
Calculation steps:
[( 594 - 455 ) ÷ 455] x 100 = 30.55%
Formula
Percentage change = [(594 - 455) / 455] x 100
Subtract the new number by the original number
594 - 455 = 139
139 ÷ 455 = 0.3054945054945055
0.3054945054945055 x 100 = 30.55%