-27.7% is the change from 823 to 595
Calculation steps:
[( 595 - 823 ) ÷ 823] x 100 = -27.7%
Formula
Percentage change = [(595 - 823) / 823] x 100
Subtract the new number by the original number
595 - 823 = -228
-228 ÷ 823 = -0.2770352369380316
-0.2770352369380316 x 100 = -27.7%