-96.37% is the change from 248 to 9
Calculation steps:
[( 9 - 248 ) ÷ 248] x 100 = -96.37%
Formula
Percentage change = [(9 - 248) / 248] x 100
Subtract the new number by the original number
9 - 248 = -239
-239 ÷ 248 = -0.9637096774193549
-0.9637096774193549 x 100 = -96.37%