25.24% is the change from 638 to 799
Calculation steps:
[( 799 - 638 ) ÷ 638] x 100 = 25.24%
Formula
Percentage change = [(799 - 638) / 638] x 100
Subtract the new number by the original number
799 - 638 = 161
161 ÷ 638 = 0.25235109717868337
0.25235109717868337 x 100 = 25.24%