-13.87% is the change from 555 to 478
Calculation steps:
[( 478 - 555 ) ÷ 555] x 100 = -13.87%
Formula
Percentage change = [(478 - 555) / 555] x 100
Subtract the new number by the original number
478 - 555 = -77
-77 ÷ 555 = -0.13873873873873874
-0.13873873873873874 x 100 = -13.87%