36.83% is the change from 638 to 873
Calculation steps:
[( 873 - 638 ) ÷ 638] x 100 = 36.83%
Formula
Percentage change = [(873 - 638) / 638] x 100
Subtract the new number by the original number
873 - 638 = 235
235 ÷ 638 = 0.3683385579937304
0.3683385579937304 x 100 = 36.83%