-40.99% is the change from 583 to 344
Calculation steps:
[( 344 - 583 ) ÷ 583] x 100 = -40.99%
Formula
Percentage change = [(344 - 583) / 583] x 100
Subtract the new number by the original number
344 - 583 = -239
-239 ÷ 583 = -0.4099485420240137
-0.4099485420240137 x 100 = -40.99%