-78.13% is the change from 878 to 192
Calculation steps:
[( 192 - 878 ) ÷ 878] x 100 = -78.13%
Formula
Percentage change = [(192 - 878) / 878] x 100
Subtract the new number by the original number
192 - 878 = -686
-686 ÷ 878 = -0.7813211845102506
-0.7813211845102506 x 100 = -78.13%