-28.87% is the change from 336 to 239
Calculation steps:
[( 239 - 336 ) ÷ 336] x 100 = -28.87%
Formula
Percentage change = [(239 - 336) / 336] x 100
Subtract the new number by the original number
239 - 336 = -97
-97 ÷ 336 = -0.28869047619047616
-0.28869047619047616 x 100 = -28.87%