-44.33% is the change from 609 to 339
Calculation steps:
[( 339 - 609 ) ÷ 609] x 100 = -44.33%
Formula
Percentage change = [(339 - 609) / 609] x 100
Subtract the new number by the original number
339 - 609 = -270
-270 ÷ 609 = -0.4433497536945813
-0.4433497536945813 x 100 = -44.33%