-48.69% is the change from 495 to 254
Calculation steps:
[( 254 - 495 ) ÷ 495] x 100 = -48.69%
Formula
Percentage change = [(254 - 495) / 495] x 100
Subtract the new number by the original number
254 - 495 = -241
-241 ÷ 495 = -0.4868686868686869
-0.4868686868686869 x 100 = -48.69%