-16.46% is the change from 486 to 406
Calculation steps:
[( 406 - 486 ) ÷ 486] x 100 = -16.46%
Formula
Percentage change = [(406 - 486) / 486] x 100
Subtract the new number by the original number
406 - 486 = -80
-80 ÷ 486 = -0.1646090534979424
-0.1646090534979424 x 100 = -16.46%