9.8% is the change from 663 to 728
Calculation steps:
[( 728 - 663 ) ÷ 663] x 100 = 9.8%
Formula
Percentage change = [(728 - 663) / 663] x 100
Subtract the new number by the original number
728 - 663 = 65
65 ÷ 663 = 0.09803921568627451
0.09803921568627451 x 100 = 9.8%