-10.83% is the change from 923 to 823
Calculation steps:
[( 823 - 923 ) ÷ 923] x 100 = -10.83%
Formula
Percentage change = [(823 - 923) / 923] x 100
Subtract the new number by the original number
823 - 923 = -100
-100 ÷ 923 = -0.10834236186348863
-0.10834236186348863 x 100 = -10.83%