15.63% is the change from 646 to 747
Calculation steps:
[( 747 - 646 ) ÷ 646] x 100 = 15.63%
Formula
Percentage change = [(747 - 646) / 646] x 100
Subtract the new number by the original number
747 - 646 = 101
101 ÷ 646 = 0.1563467492260062
0.1563467492260062 x 100 = 15.63%