-97.23% is the change from 722 to 20
Calculation steps:
[( 20 - 722 ) ÷ 722] x 100 = -97.23%
Formula
Percentage change = [(20 - 722) / 722] x 100
Subtract the new number by the original number
20 - 722 = -702
-702 ÷ 722 = -0.9722991689750693
-0.9722991689750693 x 100 = -97.23%