46.55% is the change from 638 to 935
Calculation steps:
[( 935 - 638 ) ÷ 638] x 100 = 46.55%
Formula
Percentage change = [(935 - 638) / 638] x 100
Subtract the new number by the original number
935 - 638 = 297
297 ÷ 638 = 0.46551724137931033
0.46551724137931033 x 100 = 46.55%