-99.57% is the change from 230 to 1
Calculation steps:
[( 1 - 230 ) ÷ 230] x 100 = -99.57%
Formula
Percentage change = [(1 - 230) / 230] x 100
Subtract the new number by the original number
1 - 230 = -229
-229 ÷ 230 = -0.9956521739130435
-0.9956521739130435 x 100 = -99.57%