-21.13% is the change from 549 to 433
Calculation steps:
[( 433 - 549 ) ÷ 549] x 100 = -21.13%
Formula
Percentage change = [(433 - 549) / 549] x 100
Subtract the new number by the original number
433 - 549 = -116
-116 ÷ 549 = -0.21129326047358835
-0.21129326047358835 x 100 = -21.13%