12.3% is the change from 878 to 986
Calculation steps:
[( 986 - 878 ) ÷ 878] x 100 = 12.3%
Formula
Percentage change = [(986 - 878) / 878] x 100
Subtract the new number by the original number
986 - 878 = 108
108 ÷ 878 = 0.12300683371298406
0.12300683371298406 x 100 = 12.3%