-30.05% is the change from 549 to 384
Calculation steps:
[( 384 - 549 ) ÷ 549] x 100 = -30.05%
Formula
Percentage change = [(384 - 549) / 549] x 100
Subtract the new number by the original number
384 - 549 = -165
-165 ÷ 549 = -0.3005464480874317
-0.3005464480874317 x 100 = -30.05%