-6.54% is the change from 489 to 457
Calculation steps:
[( 457 - 489 ) ÷ 489] x 100 = -6.54%
Formula
Percentage change = [(457 - 489) / 489] x 100
Subtract the new number by the original number
457 - 489 = -32
-32 ÷ 489 = -0.065439672801636
-0.065439672801636 x 100 = -6.54%