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
Doncaster 2 Luton 0 +17.3
+0.6
Millwall 3 Carlisle 0 +8.3
+0.2
Hartlepool 0 Nottm Forest 1 -3.2
-0.2
Tranmere 1 Southend 0 +0.8
+0.1
Week of 5/3100.0*Promoted100.0*Average seed
Cheltenham 2 Doncaster 1 -24.4
-0.4
Nottm Forest 3 Yeovil 2 -13.9
-0.3
Carlisle 1 Bournemouth 1 +8.4
+0.2
Brighton 0 Swansea City 1 +0.1
Southend 1 Port Vale 1 *+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