11.82% is the change from 770 to 861
Calculation steps:
[( 861 - 770 ) ÷ 770] x 100 = 11.82%
Formula
Percentage change = [(861 - 770) / 770] x 100
Subtract the new number by the original number
861 - 770 = 91
91 ÷ 770 = 0.11818181818181818
0.11818181818181818 x 100 = 11.82%