-42.28% is the change from 589 to 340
Calculation steps:
[( 340 - 589 ) ÷ 589] x 100 = -42.28%
Formula
Percentage change = [(340 - 589) / 589] x 100
Subtract the new number by the original number
340 - 589 = -249
-249 ÷ 589 = -0.4227504244482173
-0.4227504244482173 x 100 = -42.28%