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 +0.1
+0.4
-0.1
Week of 8/15100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Barnet 0 Wycombe 2 No
-0.6
+12.1
-1.6
Dag & Red 1 Leyton Orient 3 -0.1
-1.7
+0.1
York 1 Hartlepool 2 -0.1
-1.4
+0.1
Carlisle 4 Cambridge 4 +0.2
Luton 2 Oxford Utd 2 +0.4
Yeovil 0 Bristol Rovers 1 -0.9
Crawley 1 Wimbledon 2 +2.6
-0.1
Barnet 2 Northampton 0 -62.2
+5.4
Morecambe 1 Accrington 0 +2.0
-0.1
Dag & Red 1 Exeter 2 -7.6
+0.3
York 1 Yeovil 0 +1.8
-0.1
Newport 2 Stevenage 2 +1.6
+0.1
Hartlepool 1 Newport 0 -1.5
+0.1
Crawley 0 Portsmouth 0 +1.5
-0.1
Accrington 1 Mansfield 0 +1.3
-0.1
Leyton Orient 3 Stevenage 0 -1.0
+0.0
Week of 8/22100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Bristol Rovers 3 Barnet 1 No
-1.5
Exeter 0 York 0 No
-0.2
Notts County 1 Accrington 1 -0.1
Stevenage 2 Hartlepool 0 -0.7
Cambridge 0 Crawley 3 -0.6
Newport 2 Leyton Orient 3 No
+0.0
Wycombe 1 Dag & Red 1 No
Carlisle 1 Wimbledon 1 -0.2
Portsmouth 3 Morecambe 3 -0.3
Yeovil 3 Luton 2 +0.1
Points
Chance Will Win Championship