-42.28% is the change from 823 to 475
Calculation steps:
[( 475 - 823 ) ÷ 823] x 100 = -42.28%
Formula
Percentage change = [(475 - 823) / 823] x 100
Subtract the new number by the original number
475 - 823 = -348
-348 ÷ 823 = -0.42284325637910086
-0.42284325637910086 x 100 = -42.28%