-56.47% is the change from 549 to 239
Calculation steps:
[( 239 - 549 ) ÷ 549] x 100 = -56.47%
Formula
Percentage change = [(239 - 549) / 549] x 100
Subtract the new number by the original number
239 - 549 = -310
-310 ÷ 549 = -0.5646630236794171
-0.5646630236794171 x 100 = -56.47%