-73.23% is the change from 878 to 235
Calculation steps:
[( 235 - 878 ) ÷ 878] x 100 = -73.23%
Formula
Percentage change = [(235 - 878) / 878] x 100
Subtract the new number by the original number
235 - 878 = -643
-643 ÷ 878 = -0.7323462414578588
-0.7323462414578588 x 100 = -73.23%