496.26% is the change from 107 to 638
Calculation steps:
[( 638 - 107 ) ÷ 107] x 100 = 496.26%
Formula
Percentage change = [(638 - 107) / 107] x 100
Subtract the new number by the original number
638 - 107 = 531
531 ÷ 107 = 4.962616822429907
4.962616822429907 x 100 = 496.26%