30.42% is the change from 457 to 596
Calculation steps:
[( 596 - 457 ) ÷ 457] x 100 = 30.42%
Formula
Percentage change = [(596 - 457) / 457] x 100
Subtract the new number by the original number
596 - 457 = 139
139 ÷ 457 = 0.3041575492341357
0.3041575492341357 x 100 = 30.42%