-26.16% is the change from 344 to 254
Calculation steps:
[( 254 - 344 ) ÷ 344] x 100 = -26.16%
Formula
Percentage change = [(254 - 344) / 344] x 100
Subtract the new number by the original number
254 - 344 = -90
-90 ÷ 344 = -0.2616279069767442
-0.2616279069767442 x 100 = -26.16%