-4.8% is the change from 479 to 456
Calculation steps:
[( 456 - 479 ) ÷ 479] x 100 = -4.8%
Formula
Percentage change = [(456 - 479) / 479] x 100
Subtract the new number by the original number
456 - 479 = -23
-23 ÷ 479 = -0.04801670146137787
-0.04801670146137787 x 100 = -4.8%