-7.88% is the change from 495 to 456
Calculation steps:
[( 456 - 495 ) ÷ 495] x 100 = -7.88%
Formula
Percentage change = [(456 - 495) / 495] x 100
Subtract the new number by the original number
456 - 495 = -39
-39 ÷ 495 = -0.07878787878787878
-0.07878787878787878 x 100 = -7.88%