-8.02% is the change from 486 to 447
Calculation steps:
[( 447 - 486 ) ÷ 486] x 100 = -8.02%
Formula
Percentage change = [(447 - 486) / 486] x 100
Subtract the new number by the original number
447 - 486 = -39
-39 ÷ 486 = -0.08024691358024691
-0.08024691358024691 x 100 = -8.02%