How are these numbers calculated?

Big Games

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

Week of 4/13100.0*Relegated100.0*Average seed
Oxhey Jets 10 Hatfield Town 1 +0.3
-0.1
Berkhamsted 2 Hertford Town 2 +0.1
Holmer Green 0 Hertford Town 5 +0.1
Holmer Green 2 Haringey Boro 7 +0.1
Week of 4/20100.0*Relegated100.0*Average seed
Colney Heath 4 Hatfield Town 1 -0.1
Week of 4/27100.0*Relegated100.0*Average seed
Holmer Green 0 AFC Dunstable 3 +0.3
Dunstable Town 2 Hatfield Town 0 -0.2
Points
Chance Will Make Playoffs