-3.87% is the change from 878 to 844
Calculation steps:
[( 844 - 878 ) ÷ 878] x 100 = -3.87%
Formula
Percentage change = [(844 - 878) / 878] x 100
Subtract the new number by the original number
844 - 878 = -34
-34 ÷ 878 = -0.0387243735763098
-0.0387243735763098 x 100 = -3.87%