-4.4% is the change from 477 to 456
Calculation steps:
[( 456 - 477 ) ÷ 477] x 100 = -4.4%
Formula
Percentage change = [(456 - 477) / 477] x 100
Subtract the new number by the original number
456 - 477 = -21
-21 ÷ 477 = -0.0440251572327044
-0.0440251572327044 x 100 = -4.4%