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
Crewe 1 Doncaster 2 No
-0.1
Sheff Utd 2 Swindon 0 No
-5.5
-0.8
Brentford 3 Portsmouth 2 -0.1
-0.4
-0.1
Shrewsbury 0 Bournemouth 3 -0.1
-0.6
Stevenage 0 Yeovil 2 -0.4
-0.1
Swindon 4 Crewe 1 +5.7
+0.6
Colchester 0 MK Dons 2 -0.9
-0.1
Tranmere 0 Hartlepool 1 +0.8
+0.1
Scunthorpe 1 Walsall 1 +0.5
+0.0
Leyton Orient 2 MK Dons 0 +0.4
+0.0
Crawley Town 2 Coventry 0 +0.2
Week of 4/20100.0*Chance wins title100.0*Championship100.0*Average seed
Swindon 3 Stevenage 0 +3.8
+0.5
Coventry 0 Leyton Orient 1 -1.2
-0.1
MK Dons 0 Scunthorpe 1 +1.0
+0.1
Walsall 1 Bury 1 +0.7
+0.0
Preston 1 Tranmere 0 +0.3
Oldham 2 Crawley Town 1 +0.1
Crewe 1 Sheff Utd 0 +0.3
Yeovil 1 Crewe 0 -0.1
Portsmouth 3 Sheff Utd 0 +0.1
Week of 4/27100.0*Chance wins title100.0*Championship100.0*Average seed
Scunthorpe 2 Swindon 1 -0.4
Bury 3 Yeovil 2 +0.2
Sheff Utd 0 Preston 0 -0.0
Points
Chance Will Win Championship