-2.88% is the change from 904 to 878
Calculation steps:
[( 878 - 904 ) ÷ 904] x 100 = -2.88%
Formula
Percentage change = [(878 - 904) / 904] x 100
Subtract the new number by the original number
878 - 904 = -26
-26 ÷ 904 = -0.028761061946902654
-0.028761061946902654 x 100 = -2.88%