-98.76% is the change from 723 to 9
Calculation steps:
[( 9 - 723 ) ÷ 723] x 100 = -98.76%
Formula
Percentage change = [(9 - 723) / 723] x 100
Subtract the new number by the original number
9 - 723 = -714
-714 ÷ 723 = -0.9875518672199171
-0.9875518672199171 x 100 = -98.76%