How are these numbers calculated?

Big Games

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

Week of 5/8100.0*Average seed
Old Actonians 0 Luton Town LFC 2 +0.1
Norwich City LFC 0 Crystal Palace 3 +0.1
Gillingham 5 Old Actonians 1 +0.1
Week of 5/15100.0*Average seed
Norwich City LFC 0 Gillingham 8 +0.2
Old Actonians 2 Bedford LFC 1 -0.1
Bedford LFC 2 Old Actonians 1 +0.0
Week of 5/22100.0*Average seed
Norwich City LFC 5 Old Actonians 1 -0.4
Points
Chance Will Win Championship