-99.56% is the change from 228 to 1
Calculation steps:
[( 1 - 228 ) ÷ 228] x 100 = -99.56%
Formula
Percentage change = [(1 - 228) / 228] x 100
Subtract the new number by the original number
1 - 228 = -227
-227 ÷ 228 = -0.9956140350877193
-0.9956140350877193 x 100 = -99.56%