-55.14% is the change from 506 to 227
Calculation steps:
[( 227 - 506 ) ÷ 506] x 100 = -55.14%
Formula
Percentage change = [(227 - 506) / 506] x 100
Subtract the new number by the original number
227 - 506 = -279
-279 ÷ 506 = -0.5513833992094862
-0.5513833992094862 x 100 = -55.14%