-10.93% is the change from 549 to 489
Calculation steps:
[( 489 - 549 ) ÷ 549] x 100 = -10.93%
Formula
Percentage change = [(489 - 549) / 549] x 100
Subtract the new number by the original number
489 - 549 = -60
-60 ÷ 549 = -0.1092896174863388
-0.1092896174863388 x 100 = -10.93%