-99.03% is the change from 723 to 7
Calculation steps:
[( 7 - 723 ) ÷ 723] x 100 = -99.03%
Formula
Percentage change = [(7 - 723) / 723] x 100
Subtract the new number by the original number
7 - 723 = -716
-716 ÷ 723 = -0.9903181189488244
-0.9903181189488244 x 100 = -99.03%