-67.03% is the change from 549 to 181
Calculation steps:
[( 181 - 549 ) ÷ 549] x 100 = -67.03%
Formula
Percentage change = [(181 - 549) / 549] x 100
Subtract the new number by the original number
181 - 549 = -368
-368 ÷ 549 = -0.6703096539162113
-0.6703096539162113 x 100 = -67.03%