-5.86% is the change from 478 to 450
Calculation steps:
[( 450 - 478 ) ÷ 478] x 100 = -5.86%
Formula
Percentage change = [(450 - 478) / 478] x 100
Subtract the new number by the original number
450 - 478 = -28
-28 ÷ 478 = -0.058577405857740586
-0.058577405857740586 x 100 = -5.86%