-13.56% is the change from 295 to 255
Calculation steps:
[( 255 - 295 ) ÷ 295] x 100 = -13.56%
Formula
Percentage change = [(255 - 295) / 295] x 100
Subtract the new number by the original number
255 - 295 = -40
-40 ÷ 295 = -0.13559322033898305
-0.13559322033898305 x 100 = -13.56%