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
Barnet 2 Stockport 1 +1.1
Brentford 0 Hereford 3 +0.2
Grimsby 1 Peterborough 4 +0.2
Bury 1 Rochdale 1 +0.1
Morecambe 1 Lincoln City 2 -0.1
Week of 5/3100.0*Average seed
Rotherham 1 Barnet 0 -0.6
Milton Keynes 1 Morecambe 1 -0.3
Lincoln City 2 Wrexham 4 +0.3
Stockport 1 Brentford 0 +0.1
Wycombe 2 Bradford 1 +0.1
Points
Chance Will Win Championship