-10.87% is the change from 819 to 730
Calculation steps:
[( 730 - 819 ) ÷ 819] x 100 = -10.87%
Formula
Percentage change = [(730 - 819) / 819] x 100
Subtract the new number by the original number
730 - 819 = -89
-89 ÷ 819 = -0.10866910866910867
-0.10866910866910867 x 100 = -10.87%