-98.73% is the change from 707 to 9
Calculation steps:
[( 9 - 707 ) ÷ 707] x 100 = -98.73%
Formula
Percentage change = [(9 - 707) / 707] x 100
Subtract the new number by the original number
9 - 707 = -698
-698 ÷ 707 = -0.9872701555869873
-0.9872701555869873 x 100 = -98.73%