23.98% is the change from 638 to 791
Calculation steps:
[( 791 - 638 ) ÷ 638] x 100 = 23.98%
Formula
Percentage change = [(791 - 638) / 638] x 100
Subtract the new number by the original number
791 - 638 = 153
153 ÷ 638 = 0.23981191222570533
0.23981191222570533 x 100 = 23.98%