-6.13% is the change from 489 to 459
Calculation steps:
[( 459 - 489 ) ÷ 489] x 100 = -6.13%
Formula
Percentage change = [(459 - 489) / 489] x 100
Subtract the new number by the original number
459 - 489 = -30
-30 ÷ 489 = -0.06134969325153374
-0.06134969325153374 x 100 = -6.13%