-97.51% is the change from 723 to 18
Calculation steps:
[( 18 - 723 ) ÷ 723] x 100 = -97.51%
Formula
Percentage change = [(18 - 723) / 723] x 100
Subtract the new number by the original number
18 - 723 = -705
-705 ÷ 723 = -0.975103734439834
-0.975103734439834 x 100 = -97.51%