-67.21% is the change from 549 to 180
Calculation steps:
[( 180 - 549 ) ÷ 549] x 100 = -67.21%
Formula
Percentage change = [(180 - 549) / 549] x 100
Subtract the new number by the original number
180 - 549 = -369
-369 ÷ 549 = -0.6721311475409836
-0.6721311475409836 x 100 = -67.21%