-28.65% is the change from 555 to 396
Calculation steps:
[( 396 - 555 ) ÷ 555] x 100 = -28.65%
Formula
Percentage change = [(396 - 555) / 555] x 100
Subtract the new number by the original number
396 - 555 = -159
-159 ÷ 555 = -0.2864864864864865
-0.2864864864864865 x 100 = -28.65%