-13.61% is the change from 485 to 419
Calculation steps:
[( 419 - 485 ) ÷ 485] x 100 = -13.61%
Formula
Percentage change = [(419 - 485) / 485] x 100
Subtract the new number by the original number
419 - 485 = -66
-66 ÷ 485 = -0.1360824742268041
-0.1360824742268041 x 100 = -13.61%