-87.19% is the change from 679 to 87
Calculation steps:
[( 87 - 679 ) ÷ 679] x 100 = -87.19%
Formula
Percentage change = [(87 - 679) / 679] x 100
Subtract the new number by the original number
87 - 679 = -592
-592 ÷ 679 = -0.8718703976435935
-0.8718703976435935 x 100 = -87.19%