-99.23% is the change from 260 to 2
Calculation steps:
[( 2 - 260 ) ÷ 260] x 100 = -99.23%
Formula
Percentage change = [(2 - 260) / 260] x 100
Subtract the new number by the original number
2 - 260 = -258
-258 ÷ 260 = -0.9923076923076923
-0.9923076923076923 x 100 = -99.23%