-18.9% is the change from 344 to 279
Calculation steps:
[( 279 - 344 ) ÷ 344] x 100 = -18.9%
Formula
Percentage change = [(279 - 344) / 344] x 100
Subtract the new number by the original number
279 - 344 = -65
-65 ÷ 344 = -0.18895348837209303
-0.18895348837209303 x 100 = -18.9%