-11.86% is the change from 489 to 431
Calculation steps:
[( 431 - 489 ) ÷ 489] x 100 = -11.86%
Formula
Percentage change = [(431 - 489) / 489] x 100
Subtract the new number by the original number
431 - 489 = -58
-58 ÷ 489 = -0.11860940695296524
-0.11860940695296524 x 100 = -11.86%