30.84% is the change from 454 to 594
Calculation steps:
[( 594 - 454 ) ÷ 454] x 100 = 30.84%
Formula
Percentage change = [(594 - 454) / 454] x 100
Subtract the new number by the original number
594 - 454 = 140
140 ÷ 454 = 0.30837004405286345
0.30837004405286345 x 100 = 30.84%