-1.13% is the change from 888 to 878
Calculation steps:
[( 878 - 888 ) ÷ 888] x 100 = -1.13%
Formula
Percentage change = [(878 - 888) / 888] x 100
Subtract the new number by the original number
878 - 888 = -10
-10 ÷ 888 = -0.01126126126126126
-0.01126126126126126 x 100 = -1.13%