31.37% is the change from 459 to 603
Calculation steps:
[( 603 - 459 ) ÷ 459] x 100 = 31.37%
Formula
Percentage change = [(603 - 459) / 459] x 100
Subtract the new number by the original number
603 - 459 = 144
144 ÷ 459 = 0.3137254901960784
0.3137254901960784 x 100 = 31.37%