12.76% is the change from 878 to 990
Calculation steps:
[( 990 - 878 ) ÷ 878] x 100 = 12.76%
Formula
Percentage change = [(990 - 878) / 878] x 100
Subtract the new number by the original number
990 - 878 = 112
112 ÷ 878 = 0.1275626423690205
0.1275626423690205 x 100 = 12.76%