249.19% is the change from 248 to 866
Calculation steps:
[( 866 - 248 ) ÷ 248] x 100 = 249.19%
Formula
Percentage change = [(866 - 248) / 248] x 100
Subtract the new number by the original number
866 - 248 = 618
618 ÷ 248 = 2.4919354838709675
2.4919354838709675 x 100 = 249.19%