How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/24100.0*Relegated100.0*Average seed
Accrington 1 Barnet 0 -2.1
Darlington 0 Grimsby 2 -1.9
Barnet 0 Rotherham 1 -0.8
Lincoln City 1 Bury 0 +0.4
Week of 5/8100.0*Relegated100.0*Average seed
Barnet 1 Rochdale 0 Yes
-0.1
Burton 3 Grimsby 0 Yes
-0.1
Points
Chance Will Win Championship