-31.52% is the change from 495 to 339
Calculation steps:
[( 339 - 495 ) ÷ 495] x 100 = -31.52%
Formula
Percentage change = [(339 - 495) / 495] x 100
Subtract the new number by the original number
339 - 495 = -156
-156 ÷ 495 = -0.3151515151515151
-0.3151515151515151 x 100 = -31.52%