-20.41% is the change from 823 to 655
Calculation steps:
[( 655 - 823 ) ÷ 823] x 100 = -20.41%
Formula
Percentage change = [(655 - 823) / 823] x 100
Subtract the new number by the original number
655 - 823 = -168
-168 ÷ 823 = -0.20413122721749696
-0.20413122721749696 x 100 = -20.41%