-2.77% is the change from 903 to 878
Calculation steps:
[( 878 - 903 ) ÷ 903] x 100 = -2.77%
Formula
Percentage change = [(878 - 903) / 903] x 100
Subtract the new number by the original number
878 - 903 = -25
-25 ÷ 903 = -0.02768549280177187
-0.02768549280177187 x 100 = -2.77%