-96.13% is the change from 878 to 34
Calculation steps:
[( 34 - 878 ) ÷ 878] x 100 = -96.13%
Formula
Percentage change = [(34 - 878) / 878] x 100
Subtract the new number by the original number
34 - 878 = -844
-844 ÷ 878 = -0.9612756264236902
-0.9612756264236902 x 100 = -96.13%