-42.06% is the change from 554 to 321
Calculation steps:
[( 321 - 554 ) ÷ 554] x 100 = -42.06%
Formula
Percentage change = [(321 - 554) / 554] x 100
Subtract the new number by the original number
321 - 554 = -233
-233 ÷ 554 = -0.42057761732851984
-0.42057761732851984 x 100 = -42.06%