-0.61% is the change from 489 to 486
Calculation steps:
[( 486 - 489 ) ÷ 489] x 100 = -0.61%
Formula
Percentage change = [(486 - 489) / 489] x 100
Subtract the new number by the original number
486 - 489 = -3
-3 ÷ 489 = -0.006134969325153374
-0.006134969325153374 x 100 = -0.61%