-96.54% is the change from 260 to 9
Calculation steps:
[( 9 - 260 ) ÷ 260] x 100 = -96.54%
Formula
Percentage change = [(9 - 260) / 260] x 100
Subtract the new number by the original number
9 - 260 = -251
-251 ÷ 260 = -0.9653846153846154
-0.9653846153846154 x 100 = -96.54%