-44.17% is the change from 609 to 340
Calculation steps:
[( 340 - 609 ) ÷ 609] x 100 = -44.17%
Formula
Percentage change = [(340 - 609) / 609] x 100
Subtract the new number by the original number
340 - 609 = -269
-269 ÷ 609 = -0.44170771756978655
-0.44170771756978655 x 100 = -44.17%