-96.58% is the change from 263 to 9
Calculation steps:
[( 9 - 263 ) ÷ 263] x 100 = -96.58%
Formula
Percentage change = [(9 - 263) / 263] x 100
Subtract the new number by the original number
9 - 263 = -254
-254 ÷ 263 = -0.9657794676806084
-0.9657794676806084 x 100 = -96.58%