-85.56% is the change from 665 to 96
Calculation steps:
[( 96 - 665 ) ÷ 665] x 100 = -85.56%
Formula
Percentage change = [(96 - 665) / 665] x 100
Subtract the new number by the original number
96 - 665 = -569
-569 ÷ 665 = -0.8556390977443609
-0.8556390977443609 x 100 = -85.56%