-59.1% is the change from 555 to 227
Calculation steps:
[( 227 - 555 ) ÷ 555] x 100 = -59.1%
Formula
Percentage change = [(227 - 555) / 555] x 100
Subtract the new number by the original number
227 - 555 = -328
-328 ÷ 555 = -0.590990990990991
-0.590990990990991 x 100 = -59.1%