How are these numbers calculated?

Big Games

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

Week of 8/14100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Notts County 0 Mansfield 2 +1.2
+11.9
-3.2
+5.0
Week of 8/15100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Barnet 0 Wycombe 2 -0.7
-1.7
-0.1
York 1 Hartlepool 2 -0.6
-1.7
-0.1
Dag & Red 1 Leyton Orient 3 -0.6
-1.7
-0.1
Barnet 2 Northampton 0 +0.6
+5.1
+0.3
Accrington 1 Mansfield 0 No
-17.1
-3.0
Plymouth 1 Portsmouth 2 -0.4
-1.0
-0.0
Carlisle 4 Cambridge 4 +0.3
+0.8
+0.1
Crawley 0 Portsmouth 0 +0.3
+1.8
+0.1
Northampton 3 Exeter 0 -0.3
-0.4
-0.0
Morecambe 0 Wycombe 1 -0.3
-1.4
-0.1
Leyton Orient 3 Stevenage 0 -0.2
-1.3
-0.1
Hartlepool 1 Newport 0 -0.2
-1.3
-0.1
Luton 2 Oxford Utd 2 +0.1
+0.8
+0.1
Wimbledon 1 Cambridge 2 -0.1
-1.7
-0.1
Crawley 1 Wimbledon 2 +0.4
+0.1
Luton 0 Bristol Rovers 1 -1.6
-0.2
Dag & Red 1 Exeter 2 -1.3
-0.2
Oxford Utd 3 Notts County 1 +0.5
+0.0
Morecambe 1 Accrington 0 +0.2
+0.1
Yeovil 0 Bristol Rovers 1 +0.2
+0.0
Plymouth 4 Carlisle 1 +0.1
Week of 8/22100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Cambridge 0 Crawley 3 +2.5
-0.1
Mansfield 1 Oxford Utd 1 No
-1.7
Exeter 0 York 0 +2.3
+0.3
Bristol Rovers 3 Barnet 1 -1.5
-0.1
Notts County 1 Accrington 1 +0.2
+0.2
Northampton 0 Plymouth 2 -0.2
Portsmouth 3 Morecambe 3 -0.2
-0.0
Carlisle 1 Wimbledon 1 +0.2
Yeovil 3 Luton 2 +0.1
Stevenage 2 Hartlepool 0 -0.1
Points
Chance Will Win Championship