-99.03% is the change from 724 to 7
Calculation steps:
[( 7 - 724 ) ÷ 724] x 100 = -99.03%
Formula
Percentage change = [(7 - 724) / 724] x 100
Subtract the new number by the original number
7 - 724 = -717
-717 ÷ 724 = -0.9903314917127072
-0.9903314917127072 x 100 = -99.03%