-29.6% is the change from 554 to 390
Calculation steps:
[( 390 - 554 ) ÷ 554] x 100 = -29.6%
Formula
Percentage change = [(390 - 554) / 554] x 100
Subtract the new number by the original number
390 - 554 = -164
-164 ÷ 554 = -0.296028880866426
-0.296028880866426 x 100 = -29.6%