-10.81% is the change from 823 to 734
Calculation steps:
[( 734 - 823 ) ÷ 823] x 100 = -10.81%
Formula
Percentage change = [(734 - 823) / 823] x 100
Subtract the new number by the original number
734 - 823 = -89
-89 ÷ 823 = -0.10814094775212636
-0.10814094775212636 x 100 = -10.81%