How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Average seed
Bradford 1 Milton Keynes 2 -0.2
Morecambe 1 Lincoln City 2 +0.1
Brentford 0 Hereford 3 +0.1
Week of 5/3100.0*Average seed
Wycombe 2 Bradford 1 -0.2
Rotherham 1 Barnet 0 +0.1
Points
Chance Will Win Championship