-98.73% is the change from 706 to 9
Calculation steps:
[( 9 - 706 ) ÷ 706] x 100 = -98.73%
Formula
Percentage change = [(9 - 706) / 706] x 100
Subtract the new number by the original number
9 - 706 = -697
-697 ÷ 706 = -0.9872521246458924
-0.9872521246458924 x 100 = -98.73%