42.29% is the change from 454 to 646
Calculation steps:
[( 646 - 454 ) ÷ 454] x 100 = 42.29%
Formula
Percentage change = [(646 - 454) / 454] x 100
Subtract the new number by the original number
646 - 454 = 192
192 ÷ 454 = 0.42290748898678415
0.42290748898678415 x 100 = 42.29%