-42.04% is the change from 823 to 477
Calculation steps:
[( 477 - 823 ) ÷ 823] x 100 = -42.04%
Formula
Percentage change = [(477 - 823) / 823] x 100
Subtract the new number by the original number
477 - 823 = -346
-346 ÷ 823 = -0.4204131227217497
-0.4204131227217497 x 100 = -42.04%