-87.52% is the change from 681 to 85
Calculation steps:
[( 85 - 681 ) ÷ 681] x 100 = -87.52%
Formula
Percentage change = [(85 - 681) / 681] x 100
Subtract the new number by the original number
85 - 681 = -596
-596 ÷ 681 = -0.8751835535976505
-0.8751835535976505 x 100 = -87.52%