9.74% is the change from 780 to 856
Calculation steps:
[( 856 - 780 ) ÷ 780] x 100 = 9.74%
Formula
Percentage change = [(856 - 780) / 780] x 100
Subtract the new number by the original number
856 - 780 = 76
76 ÷ 780 = 0.09743589743589744
0.09743589743589744 x 100 = 9.74%