-8.28% is the change from 495 to 454
Calculation steps:
[( 454 - 495 ) ÷ 495] x 100 = -8.28%
Formula
Percentage change = [(454 - 495) / 495] x 100
Subtract the new number by the original number
454 - 495 = -41
-41 ÷ 495 = -0.08282828282828283
-0.08282828282828283 x 100 = -8.28%