-21.28% is the change from 437 to 344
Calculation steps:
[( 344 - 437 ) ÷ 437] x 100 = -21.28%
Formula
Percentage change = [(344 - 437) / 437] x 100
Subtract the new number by the original number
344 - 437 = -93
-93 ÷ 437 = -0.2128146453089245
-0.2128146453089245 x 100 = -21.28%