17.55% is the change from 638 to 750
Calculation steps:
[( 750 - 638 ) ÷ 638] x 100 = 17.55%
Formula
Percentage change = [(750 - 638) / 638] x 100
Subtract the new number by the original number
750 - 638 = 112
112 ÷ 638 = 0.1755485893416928
0.1755485893416928 x 100 = 17.55%