-24.56% is the change from 456 to 344
Calculation steps:
[( 344 - 456 ) ÷ 456] x 100 = -24.56%
Formula
Percentage change = [(344 - 456) / 456] x 100
Subtract the new number by the original number
344 - 456 = -112
-112 ÷ 456 = -0.24561403508771928
-0.24561403508771928 x 100 = -24.56%