-98.79% is the change from 248 to 3
Calculation steps:
[( 3 - 248 ) ÷ 248] x 100 = -98.79%
Formula
Percentage change = [(3 - 248) / 248] x 100
Subtract the new number by the original number
3 - 248 = -245
-245 ÷ 248 = -0.9879032258064516
-0.9879032258064516 x 100 = -98.79%