-27.21% is the change from 555 to 404
Calculation steps:
[( 404 - 555 ) ÷ 555] x 100 = -27.21%
Formula
Percentage change = [(404 - 555) / 555] x 100
Subtract the new number by the original number
404 - 555 = -151
-151 ÷ 555 = -0.27207207207207207
-0.27207207207207207 x 100 = -27.21%