How are these numbers calculated?

Big Games

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

Week of 4/25100.0*Promoted100.0*Average seed
Northampton 0 Milton Keynes 1 -13.1
-0.2
Colchester 0 Peterborough 1 +11.8
+0.2
Milton Keynes 0 Walsall 1 +11.0
+0.1
Scunthorpe 3 Cheltenham 0 -0.2
Northampton 2 Hereford 1 -0.2
Week of 5/2None
Points
Chance Will Win Championship