15.96% is the change from 639 to 741
Calculation steps:
[( 741 - 639 ) ÷ 639] x 100 = 15.96%
Formula
Percentage change = [(741 - 639) / 639] x 100
Subtract the new number by the original number
741 - 639 = 102
102 ÷ 639 = 0.1596244131455399
0.1596244131455399 x 100 = 15.96%