-14.29% is the change from 336 to 288
Calculation steps:
[( 288 - 336 ) ÷ 336] x 100 = -14.29%
Formula
Percentage change = [(288 - 336) / 336] x 100
Subtract the new number by the original number
288 - 336 = -48
-48 ÷ 336 = -0.14285714285714285
-0.14285714285714285 x 100 = -14.29%