-3.73% is the change from 912 to 878
Calculation steps:
[( 878 - 912 ) ÷ 912] x 100 = -3.73%
Formula
Percentage change = [(878 - 912) / 912] x 100
Subtract the new number by the original number
878 - 912 = -34
-34 ÷ 912 = -0.03728070175438596
-0.03728070175438596 x 100 = -3.73%