32.33% is the change from 634 to 839
Calculation steps:
[( 839 - 634 ) ÷ 634] x 100 = 32.33%
Formula
Percentage change = [(839 - 634) / 634] x 100
Subtract the new number by the original number
839 - 634 = 205
205 ÷ 634 = 0.32334384858044163
0.32334384858044163 x 100 = 32.33%