16.3% is the change from 638 to 742
Calculation steps:
[( 742 - 638 ) ÷ 638] x 100 = 16.3%
Formula
Percentage change = [(742 - 638) / 638] x 100
Subtract the new number by the original number
742 - 638 = 104
104 ÷ 638 = 0.16300940438871472
0.16300940438871472 x 100 = 16.3%