-30.65% is the change from 496 to 344
Calculation steps:
[( 344 - 496 ) ÷ 496] x 100 = -30.65%
Formula
Percentage change = [(344 - 496) / 496] x 100
Subtract the new number by the original number
344 - 496 = -152
-152 ÷ 496 = -0.3064516129032258
-0.3064516129032258 x 100 = -30.65%