-97.39% is the change from 729 to 19
Calculation steps:
[( 19 - 729 ) ÷ 729] x 100 = -97.39%
Formula
Percentage change = [(19 - 729) / 729] x 100
Subtract the new number by the original number
19 - 729 = -710
-710 ÷ 729 = -0.9739368998628258
-0.9739368998628258 x 100 = -97.39%