-98.72% is the change from 705 to 9
Calculation steps:
[( 9 - 705 ) ÷ 705] x 100 = -98.72%
Formula
Percentage change = [(9 - 705) / 705] x 100
Subtract the new number by the original number
9 - 705 = -696
-696 ÷ 705 = -0.9872340425531915
-0.9872340425531915 x 100 = -98.72%