27.7% is the change from 610 to 779
Calculation steps:
[( 779 - 610 ) ÷ 610] x 100 = 27.7%
Formula
Percentage change = [(779 - 610) / 610] x 100
Subtract the new number by the original number
779 - 610 = 169
169 ÷ 610 = 0.27704918032786885
0.27704918032786885 x 100 = 27.7%