-40.89% is the change from 582 to 344
Calculation steps:
[( 344 - 582 ) ÷ 582] x 100 = -40.89%
Formula
Percentage change = [(344 - 582) / 582] x 100
Subtract the new number by the original number
344 - 582 = -238
-238 ÷ 582 = -0.40893470790378006
-0.40893470790378006 x 100 = -40.89%