-17.21% is the change from 337 to 279
Calculation steps:
[( 279 - 337 ) ÷ 337] x 100 = -17.21%
Formula
Percentage change = [(279 - 337) / 337] x 100
Subtract the new number by the original number
279 - 337 = -58
-58 ÷ 337 = -0.17210682492581603
-0.17210682492581603 x 100 = -17.21%