-24.4% is the change from 336 to 254
Calculation steps:
[( 254 - 336 ) ÷ 336] x 100 = -24.4%
Formula
Percentage change = [(254 - 336) / 336] x 100
Subtract the new number by the original number
254 - 336 = -82
-82 ÷ 336 = -0.24404761904761904
-0.24404761904761904 x 100 = -24.4%