-29.42% is the change from 554 to 391
Calculation steps:
[( 391 - 554 ) ÷ 554] x 100 = -29.42%
Formula
Percentage change = [(391 - 554) / 554] x 100
Subtract the new number by the original number
391 - 554 = -163
-163 ÷ 554 = -0.29422382671480146
-0.29422382671480146 x 100 = -29.42%