-86.74% is the change from 656 to 87
Calculation steps:
[( 87 - 656 ) ÷ 656] x 100 = -86.74%
Formula
Percentage change = [(87 - 656) / 656] x 100
Subtract the new number by the original number
87 - 656 = -569
-569 ÷ 656 = -0.8673780487804879
-0.8673780487804879 x 100 = -86.74%