-97.3% is the change from 742 to 20
Calculation steps:
[( 20 - 742 ) ÷ 742] x 100 = -97.3%
Formula
Percentage change = [(20 - 742) / 742] x 100
Subtract the new number by the original number
20 - 742 = -722
-722 ÷ 742 = -0.9730458221024259
-0.9730458221024259 x 100 = -97.3%