-10.74% is the change from 819 to 731
Calculation steps:
[( 731 - 819 ) ÷ 819] x 100 = -10.74%
Formula
Percentage change = [(731 - 819) / 819] x 100
Subtract the new number by the original number
731 - 819 = -88
-88 ÷ 819 = -0.10744810744810745
-0.10744810744810745 x 100 = -10.74%