-5.66% is the change from 477 to 450
Calculation steps:
[( 450 - 477 ) ÷ 477] x 100 = -5.66%
Formula
Percentage change = [(450 - 477) / 477] x 100
Subtract the new number by the original number
450 - 477 = -27
-27 ÷ 477 = -0.05660377358490566
-0.05660377358490566 x 100 = -5.66%