-11.13% is the change from 485 to 431
Calculation steps:
[( 431 - 485 ) ÷ 485] x 100 = -11.13%
Formula
Percentage change = [(431 - 485) / 485] x 100
Subtract the new number by the original number
431 - 485 = -54
-54 ÷ 485 = -0.11134020618556702
-0.11134020618556702 x 100 = -11.13%