-96.74% is the change from 276 to 9
Calculation steps:
[( 9 - 276 ) ÷ 276] x 100 = -96.74%
Formula
Percentage change = [(9 - 276) / 276] x 100
Subtract the new number by the original number
9 - 276 = -267
-267 ÷ 276 = -0.967391304347826
-0.967391304347826 x 100 = -96.74%