-99.61% is the change from 258 to 1
Calculation steps:
[( 1 - 258 ) ÷ 258] x 100 = -99.61%
Formula
Percentage change = [(1 - 258) / 258] x 100
Subtract the new number by the original number
1 - 258 = -257
-257 ÷ 258 = -0.9961240310077519
-0.9961240310077519 x 100 = -99.61%