-98.52% is the change from 878 to 13
Calculation steps:
[( 13 - 878 ) ÷ 878] x 100 = -98.52%
Formula
Percentage change = [(13 - 878) / 878] x 100
Subtract the new number by the original number
13 - 878 = -865
-865 ÷ 878 = -0.9851936218678815
-0.9851936218678815 x 100 = -98.52%