-99.56% is the change from 227 to 1
Calculation steps:
[( 1 - 227 ) ÷ 227] x 100 = -99.56%
Formula
Percentage change = [(1 - 227) / 227] x 100
Subtract the new number by the original number
1 - 227 = -226
-226 ÷ 227 = -0.9955947136563876
-0.9955947136563876 x 100 = -99.56%