-97.39% is the change from 728 to 19
Calculation steps:
[( 19 - 728 ) ÷ 728] x 100 = -97.39%
Formula
Percentage change = [(19 - 728) / 728] x 100
Subtract the new number by the original number
19 - 728 = -709
-709 ÷ 728 = -0.9739010989010989
-0.9739010989010989 x 100 = -97.39%