-19.81% is the change from 429 to 344
Calculation steps:
[( 344 - 429 ) ÷ 429] x 100 = -19.81%
Formula
Percentage change = [(344 - 429) / 429] x 100
Subtract the new number by the original number
344 - 429 = -85
-85 ÷ 429 = -0.19813519813519814
-0.19813519813519814 x 100 = -19.81%