-83.14% is the change from 878 to 148
Calculation steps:
[( 148 - 878 ) ÷ 878] x 100 = -83.14%
Formula
Percentage change = [(148 - 878) / 878] x 100
Subtract the new number by the original number
148 - 878 = -730
-730 ÷ 878 = -0.8314350797266514
-0.8314350797266514 x 100 = -83.14%