-0.91% is the change from 549 to 544
Calculation steps:
[( 544 - 549 ) ÷ 549] x 100 = -0.91%
Formula
Percentage change = [(544 - 549) / 549] x 100
Subtract the new number by the original number
544 - 549 = -5
-5 ÷ 549 = -0.009107468123861567
-0.009107468123861567 x 100 = -0.91%