-84.09% is the change from 679 to 108
Calculation steps:
[( 108 - 679 ) ÷ 679] x 100 = -84.09%
Formula
Percentage change = [(108 - 679) / 679] x 100
Subtract the new number by the original number
108 - 679 = -571
-571 ÷ 679 = -0.8409425625920471
-0.8409425625920471 x 100 = -84.09%