-24.73% is the change from 457 to 344
Calculation steps:
[( 344 - 457 ) ÷ 457] x 100 = -24.73%
Formula
Percentage change = [(344 - 457) / 457] x 100
Subtract the new number by the original number
344 - 457 = -113
-113 ÷ 457 = -0.24726477024070023
-0.24726477024070023 x 100 = -24.73%