-13.27% is the change from 294 to 255
Calculation steps:
[( 255 - 294 ) ÷ 294] x 100 = -13.27%
Formula
Percentage change = [(255 - 294) / 294] x 100
Subtract the new number by the original number
255 - 294 = -39
-39 ÷ 294 = -0.1326530612244898
-0.1326530612244898 x 100 = -13.27%