How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Promoted100.0*Average seed
Millwall 3 Carlisle 0 -20.5
-0.5
Hartlepool 0 Nottm Forest 1 -7.2
-0.2
Doncaster 2 Luton 0 -5.5
-0.1
Tranmere 1 Southend 0 +0.3
+0.0
Oldham 2 Cheltenham 1 -0.1
Port Vale 2 Northampton 2 +0.1
Bournemouth 1 Crewe 0 *-0.1
Week of 5/3100.0*Promoted100.0*Average seed
Carlisle 1 Bournemouth 1 -6.9
-0.5
Nottm Forest 3 Yeovil 2 -6.9
-0.2
Cheltenham 2 Doncaster 1 +5.6
+0.3

* 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