-3.23% is the change from 248 to 240
Calculation steps:
[( 240 - 248 ) ÷ 248] x 100 = -3.23%
Formula
Percentage change = [(240 - 248) / 248] x 100
Subtract the new number by the original number
240 - 248 = -8
-8 ÷ 248 = -0.03225806451612903
-0.03225806451612903 x 100 = -3.23%