-3.76% is the change from 878 to 845
Calculation steps:
[( 845 - 878 ) ÷ 878] x 100 = -3.76%
Formula
Percentage change = [(845 - 878) / 878] x 100
Subtract the new number by the original number
845 - 878 = -33
-33 ÷ 878 = -0.03758542141230068
-0.03758542141230068 x 100 = -3.76%