-99.61% is the change from 259 to 1
Calculation steps:
[( 1 - 259 ) ÷ 259] x 100 = -99.61%
Formula
Percentage change = [(1 - 259) / 259] x 100
Subtract the new number by the original number
1 - 259 = -258
-258 ÷ 259 = -0.9961389961389961
-0.9961389961389961 x 100 = -99.61%