11.45% is the change from 777 to 866
Calculation steps:
[( 866 - 777 ) ÷ 777] x 100 = 11.45%
Formula
Percentage change = [(866 - 777) / 777] x 100
Subtract the new number by the original number
866 - 777 = 89
89 ÷ 777 = 0.11454311454311454
0.11454311454311454 x 100 = 11.45%