-98.71% is the change from 698 to 9
Calculation steps:
[( 9 - 698 ) ÷ 698] x 100 = -98.71%
Formula
Percentage change = [(9 - 698) / 698] x 100
Subtract the new number by the original number
9 - 698 = -689
-689 ÷ 698 = -0.9871060171919771
-0.9871060171919771 x 100 = -98.71%