16.97% is the change from 666 to 779
Calculation steps:
[( 779 - 666 ) ÷ 666] x 100 = 16.97%
Formula
Percentage change = [(779 - 666) / 666] x 100
Subtract the new number by the original number
779 - 666 = 113
113 ÷ 666 = 0.16966966966966968
0.16966966966966968 x 100 = 16.97%