-98.68% is the change from 681 to 9
Calculation steps:
[( 9 - 681 ) ÷ 681] x 100 = -98.68%
Formula
Percentage change = [(9 - 681) / 681] x 100
Subtract the new number by the original number
9 - 681 = -672
-672 ÷ 681 = -0.986784140969163
-0.986784140969163 x 100 = -98.68%