-15.32% is the change from 555 to 470
Calculation steps:
[( 470 - 555 ) ÷ 555] x 100 = -15.32%
Formula
Percentage change = [(470 - 555) / 555] x 100
Subtract the new number by the original number
470 - 555 = -85
-85 ÷ 555 = -0.15315315315315314
-0.15315315315315314 x 100 = -15.32%