-27.46% is the change from 823 to 597
Calculation steps:
[( 597 - 823 ) ÷ 823] x 100 = -27.46%
Formula
Percentage change = [(597 - 823) / 823] x 100
Subtract the new number by the original number
597 - 823 = -226
-226 ÷ 823 = -0.27460510328068044
-0.27460510328068044 x 100 = -27.46%