-2.91% is the change from 549 to 533
Calculation steps:
[( 533 - 549 ) ÷ 549] x 100 = -2.91%
Formula
Percentage change = [(533 - 549) / 549] x 100
Subtract the new number by the original number
533 - 549 = -16
-16 ÷ 549 = -0.029143897996357013
-0.029143897996357013 x 100 = -2.91%