-26.85% is the change from 555 to 406
Calculation steps:
[( 406 - 555 ) ÷ 555] x 100 = -26.85%
Formula
Percentage change = [(406 - 555) / 555] x 100
Subtract the new number by the original number
406 - 555 = -149
-149 ÷ 555 = -0.26846846846846845
-0.26846846846846845 x 100 = -26.85%