9.79% is the change from 878 to 964
Calculation steps:
[( 964 - 878 ) ÷ 878] x 100 = 9.79%
Formula
Percentage change = [(964 - 878) / 878] x 100
Subtract the new number by the original number
964 - 878 = 86
86 ÷ 878 = 0.0979498861047836
0.0979498861047836 x 100 = 9.79%