32.29% is the change from 638 to 844
Calculation steps:
[( 844 - 638 ) ÷ 638] x 100 = 32.29%
Formula
Percentage change = [(844 - 638) / 638] x 100
Subtract the new number by the original number
844 - 638 = 206
206 ÷ 638 = 0.322884012539185
0.322884012539185 x 100 = 32.29%