40.74% is the change from 459 to 646
Calculation steps:
[( 646 - 459 ) ÷ 459] x 100 = 40.74%
Formula
Percentage change = [(646 - 459) / 459] x 100
Subtract the new number by the original number
646 - 459 = 187
187 ÷ 459 = 0.4074074074074074
0.4074074074074074 x 100 = 40.74%