-33.27% is the change from 508 to 339
Calculation steps:
[( 339 - 508 ) ÷ 508] x 100 = -33.27%
Formula
Percentage change = [(339 - 508) / 508] x 100
Subtract the new number by the original number
339 - 508 = -169
-169 ÷ 508 = -0.33267716535433073
-0.33267716535433073 x 100 = -33.27%