17.5% is the change from 663 to 779
Calculation steps:
[( 779 - 663 ) ÷ 663] x 100 = 17.5%
Formula
Percentage change = [(779 - 663) / 663] x 100
Subtract the new number by the original number
779 - 663 = 116
116 ÷ 663 = 0.17496229260935142
0.17496229260935142 x 100 = 17.5%