-34.06% is the change from 508 to 335
Calculation steps:
[( 335 - 508 ) ÷ 508] x 100 = -34.06%
Formula
Percentage change = [(335 - 508) / 508] x 100
Subtract the new number by the original number
335 - 508 = -173
-173 ÷ 508 = -0.3405511811023622
-0.3405511811023622 x 100 = -34.06%