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
Norwich City LFC 0 Crystal Palace 3 -0.4
Gillingham 5 Old Actonians 1 +0.1
Old Actonians 0 Luton Town LFC 2 +0.1
Week of 5/15100.0*Average seed
Norwich City LFC 0 Gillingham 8 -0.5
Enfield Town LFC 3 Ipswich Town LFC 4 +0.2
Week of 5/22100.0*Average seed
Norwich City LFC 5 Old Actonians 1 +0.5
Points
Chance Will Win Championship