15.89% is the change from 642 to 744
Calculation steps:
[( 744 - 642 ) ÷ 642] x 100 = 15.89%
Formula
Percentage change = [(744 - 642) / 642] x 100
Subtract the new number by the original number
744 - 642 = 102
102 ÷ 642 = 0.1588785046728972
0.1588785046728972 x 100 = 15.89%