-16.49% is the change from 485 to 405
Calculation steps:
[( 405 - 485 ) ÷ 485] x 100 = -16.49%
Formula
Percentage change = [(405 - 485) / 485] x 100
Subtract the new number by the original number
405 - 485 = -80
-80 ÷ 485 = -0.16494845360824742
-0.16494845360824742 x 100 = -16.49%