-28.23% is the change from 549 to 394
Calculation steps:
[( 394 - 549 ) ÷ 549] x 100 = -28.23%
Formula
Percentage change = [(394 - 549) / 549] x 100
Subtract the new number by the original number
394 - 549 = -155
-155 ÷ 549 = -0.28233151183970856
-0.28233151183970856 x 100 = -28.23%