-87.37% is the change from 681 to 86
Calculation steps:
[( 86 - 681 ) ÷ 681] x 100 = -87.37%
Formula
Percentage change = [(86 - 681) / 681] x 100
Subtract the new number by the original number
86 - 681 = -595
-595 ÷ 681 = -0.8737151248164464
-0.8737151248164464 x 100 = -87.37%