-87.57% is the change from 692 to 86
Calculation steps:
[( 86 - 692 ) ÷ 692] x 100 = -87.57%
Formula
Percentage change = [(86 - 692) / 692] x 100
Subtract the new number by the original number
86 - 692 = -606
-606 ÷ 692 = -0.8757225433526011
-0.8757225433526011 x 100 = -87.57%