-78.02% is the change from 878 to 193
Calculation steps:
[( 193 - 878 ) ÷ 878] x 100 = -78.02%
Formula
Percentage change = [(193 - 878) / 878] x 100
Subtract the new number by the original number
193 - 878 = -685
-685 ÷ 878 = -0.7801822323462415
-0.7801822323462415 x 100 = -78.02%