-19.25% is the change from 426 to 344
Calculation steps:
[( 344 - 426 ) ÷ 426] x 100 = -19.25%
Formula
Percentage change = [(344 - 426) / 426] x 100
Subtract the new number by the original number
344 - 426 = -82
-82 ÷ 426 = -0.19248826291079812
-0.19248826291079812 x 100 = -19.25%