38.39% is the change from 461 to 638
Calculation steps:
[( 638 - 461 ) ÷ 461] x 100 = 38.39%
Formula
Percentage change = [(638 - 461) / 461] x 100
Subtract the new number by the original number
638 - 461 = 177
177 ÷ 461 = 0.3839479392624729
0.3839479392624729 x 100 = 38.39%