-48.32% is the change from 656 to 339
Calculation steps:
[( 339 - 656 ) ÷ 656] x 100 = -48.32%
Formula
Percentage change = [(339 - 656) / 656] x 100
Subtract the new number by the original number
339 - 656 = -317
-317 ÷ 656 = -0.48323170731707316
-0.48323170731707316 x 100 = -48.32%