13.1% is the change from 878 to 993
Calculation steps:
[( 993 - 878 ) ÷ 878] x 100 = 13.1%
Formula
Percentage change = [(993 - 878) / 878] x 100
Subtract the new number by the original number
993 - 878 = 115
115 ÷ 878 = 0.13097949886104784
0.13097949886104784 x 100 = 13.1%