-98.09% is the change from 681 to 13
Calculation steps:
[( 13 - 681 ) ÷ 681] x 100 = -98.09%
Formula
Percentage change = [(13 - 681) / 681] x 100
Subtract the new number by the original number
13 - 681 = -668
-668 ÷ 681 = -0.9809104258443465
-0.9809104258443465 x 100 = -98.09%