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*Chance wins title100.0*Championship100.0*Average seed
Sheff Utd 2 Swindon 0 +5.4
+11.2
+0.9
Crewe 1 Doncaster 2 -2.8
-1.8
-0.1
Sheff Utd 2 Brentford 2 -2.7
-4.2
-0.2
Shrewsbury 0 Bournemouth 3 -1.3
-3.6
-0.1
Brentford 3 Portsmouth 2 -1.0
-2.2
-0.1
Stevenage 0 Yeovil 2 -0.2
-1.2
-0.2
Oldham 1 Yeovil 0 +0.1
+0.7
+0.2
Tranmere 0 Hartlepool 1 +0.3
Leyton Orient 2 MK Dons 0 +0.1
Scunthorpe 1 Walsall 1 +0.1
Crawley Town 2 Coventry 0 *+0.1
Swindon 4 Crewe 1 -0.1
Week of 4/20100.0*Chance wins title100.0*Championship100.0*Average seed
Portsmouth 3 Sheff Utd 0 No
-6.2
-0.6
Doncaster 0 Notts County 1 +1.1
+1.2
Bournemouth 3 Carlisle 1 -0.6
-4.3
-0.1
Hartlepool 1 Brentford 1 +0.2
+0.8
Yeovil 1 Crewe 0 -0.2
-0.2
Crewe 1 Sheff Utd 0 -0.6
Swindon 3 Stevenage 0 -0.1
Week of 4/27100.0*Chance wins title100.0*Championship100.0*Average seed
Scunthorpe 2 Swindon 1 +0.3
Bury 3 Yeovil 2 +0.2
Sheff Utd 0 Preston 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