-85.65% is the change from 878 to 126
Calculation steps:
[( 126 - 878 ) ÷ 878] x 100 = -85.65%
Formula
Percentage change = [(126 - 878) / 878] x 100
Subtract the new number by the original number
126 - 878 = -752
-752 ÷ 878 = -0.856492027334852
-0.856492027334852 x 100 = -85.65%