358.99% is the change from 139 to 638
Calculation steps:
[( 638 - 139 ) ÷ 139] x 100 = 358.99%
Formula
Percentage change = [(638 - 139) / 139] x 100
Subtract the new number by the original number
638 - 139 = 499
499 ÷ 139 = 3.5899280575539567
3.5899280575539567 x 100 = 358.99%