9.9% is the change from 879 to 966
Calculation steps:
[( 966 - 879 ) ÷ 879] x 100 = 9.9%
Formula
Percentage change = [(966 - 879) / 879] x 100
Subtract the new number by the original number
966 - 879 = 87
87 ÷ 879 = 0.09897610921501707
0.09897610921501707 x 100 = 9.9%