-97.31% is the change from 743 to 20
Calculation steps:
[( 20 - 743 ) ÷ 743] x 100 = -97.31%
Formula
Percentage change = [(20 - 743) / 743] x 100
Subtract the new number by the original number
20 - 743 = -723
-723 ÷ 743 = -0.9730820995962315
-0.9730820995962315 x 100 = -97.31%