-97.23% is the change from 723 to 20
Calculation steps:
[( 20 - 723 ) ÷ 723] x 100 = -97.23%
Formula
Percentage change = [(20 - 723) / 723] x 100
Subtract the new number by the original number
20 - 723 = -703
-703 ÷ 723 = -0.9723374827109267
-0.9723374827109267 x 100 = -97.23%