-11.42% is the change from 823 to 729
Calculation steps:
[( 729 - 823 ) ÷ 823] x 100 = -11.42%
Formula
Percentage change = [(729 - 823) / 823] x 100
Subtract the new number by the original number
729 - 823 = -94
-94 ÷ 823 = -0.11421628189550426
-0.11421628189550426 x 100 = -11.42%