15.05% is the change from 638 to 734
Calculation steps:
[( 734 - 638 ) ÷ 638] x 100 = 15.05%
Formula
Percentage change = [(734 - 638) / 638] x 100
Subtract the new number by the original number
734 - 638 = 96
96 ÷ 638 = 0.15047021943573669
0.15047021943573669 x 100 = 15.05%