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
Milton Keynes 0 Walsall 1 -16.6
-0.4
Colchester 0 Peterborough 1 -15.6
-0.2
Northampton 0 Milton Keynes 1 +15.2
+0.3
Swindon 2 Bristol Rovers 1 *+0.1
Millwall 2 Leyton Orient 1 -0.0
Week of 5/2100.0*Promoted100.0*Average seed
Hereford 0 Milton Keynes 1 +0.1
Carlisle 2 Millwall 0 +0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship