-97.14% is the change from 734 to 21
Calculation steps:
[( 21 - 734 ) ÷ 734] x 100 = -97.14%
Formula
Percentage change = [(21 - 734) / 734] x 100
Subtract the new number by the original number
21 - 734 = -713
-713 ÷ 734 = -0.9713896457765667
-0.9713896457765667 x 100 = -97.14%