-99.32% is the change from 878 to 6
Calculation steps:
[( 6 - 878 ) ÷ 878] x 100 = -99.32%
Formula
Percentage change = [(6 - 878) / 878] x 100
Subtract the new number by the original number
6 - 878 = -872
-872 ÷ 878 = -0.9931662870159453
-0.9931662870159453 x 100 = -99.32%