2.85% is the change from 878 to 903
Calculation steps:
[( 903 - 878 ) ÷ 878] x 100 = 2.85%
Formula
Percentage change = [(903 - 878) / 878] x 100
Subtract the new number by the original number
903 - 878 = 25
25 ÷ 878 = 0.02847380410022779
0.02847380410022779 x 100 = 2.85%