-16.63% is the change from 487 to 406
Calculation steps:
[( 406 - 487 ) ÷ 487] x 100 = -16.63%
Formula
Percentage change = [(406 - 487) / 487] x 100
Subtract the new number by the original number
406 - 487 = -81
-81 ÷ 487 = -0.16632443531827515
-0.16632443531827515 x 100 = -16.63%