-19.44% is the change from 427 to 344
Calculation steps:
[( 344 - 427 ) ÷ 427] x 100 = -19.44%
Formula
Percentage change = [(344 - 427) / 427] x 100
Subtract the new number by the original number
344 - 427 = -83
-83 ÷ 427 = -0.19437939110070257
-0.19437939110070257 x 100 = -19.44%