434.39% is the change from 157 to 839
Calculation steps:
[( 839 - 157 ) ÷ 157] x 100 = 434.39%
Formula
Percentage change = [(839 - 157) / 157] x 100
Subtract the new number by the original number
839 - 157 = 682
682 ÷ 157 = 4.343949044585988
4.343949044585988 x 100 = 434.39%