-6.58% is the change from 486 to 454
Calculation steps:
[( 454 - 486 ) ÷ 486] x 100 = -6.58%
Formula
Percentage change = [(454 - 486) / 486] x 100
Subtract the new number by the original number
454 - 486 = -32
-32 ÷ 486 = -0.06584362139917696
-0.06584362139917696 x 100 = -6.58%