41.59% is the change from 452 to 640
Calculation steps:
[( 640 - 452 ) ÷ 452] x 100 = 41.59%
Formula
Percentage change = [(640 - 452) / 452] x 100
Subtract the new number by the original number
640 - 452 = 188
188 ÷ 452 = 0.415929203539823
0.415929203539823 x 100 = 41.59%