-83.49% is the change from 878 to 145
Calculation steps:
[( 145 - 878 ) ÷ 878] x 100 = -83.49%
Formula
Percentage change = [(145 - 878) / 878] x 100
Subtract the new number by the original number
145 - 878 = -733
-733 ÷ 878 = -0.8348519362186788
-0.8348519362186788 x 100 = -83.49%