-56.28% is the change from 549 to 240
Calculation steps:
[( 240 - 549 ) ÷ 549] x 100 = -56.28%
Formula
Percentage change = [(240 - 549) / 549] x 100
Subtract the new number by the original number
240 - 549 = -309
-309 ÷ 549 = -0.5628415300546448
-0.5628415300546448 x 100 = -56.28%