-14.54% is the change from 337 to 288
Calculation steps:
[( 288 - 337 ) ÷ 337] x 100 = -14.54%
Formula
Percentage change = [(288 - 337) / 337] x 100
Subtract the new number by the original number
288 - 337 = -49
-49 ÷ 337 = -0.14540059347181009
-0.14540059347181009 x 100 = -14.54%