-28.63% is the change from 475 to 339
Calculation steps:
[( 339 - 475 ) ÷ 475] x 100 = -28.63%
Formula
Percentage change = [(339 - 475) / 475] x 100
Subtract the new number by the original number
339 - 475 = -136
-136 ÷ 475 = -0.2863157894736842
-0.2863157894736842 x 100 = -28.63%