-33.27% is the change from 502 to 335
Calculation steps:
[( 335 - 502 ) ÷ 502] x 100 = -33.27%
Formula
Percentage change = [(335 - 502) / 502] x 100
Subtract the new number by the original number
335 - 502 = -167
-167 ÷ 502 = -0.33266932270916333
-0.33266932270916333 x 100 = -33.27%