-30.38% is the change from 609 to 424
Calculation steps:
[( 424 - 609 ) ÷ 609] x 100 = -30.38%
Formula
Percentage change = [(424 - 609) / 609] x 100
Subtract the new number by the original number
424 - 609 = -185
-185 ÷ 609 = -0.30377668308702793
-0.30377668308702793 x 100 = -30.38%