-59.3% is the change from 823 to 335
Calculation steps:
[( 335 - 823 ) ÷ 823] x 100 = -59.3%
Formula
Percentage change = [(335 - 823) / 823] x 100
Subtract the new number by the original number
335 - 823 = -488
-488 ÷ 823 = -0.5929526123936817
-0.5929526123936817 x 100 = -59.3%