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 +1.6
+2.1
+0.1
Week of 8/15100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Morecambe 0 Wycombe 1 +13.1
+14.1
+0.8
Barnet 0 Wycombe 2 +11.6
+17.5
No
+1.6
Barnet 2 Northampton 0 +6.5
+7.1
+0.4
Crawley 0 Portsmouth 0 +4.5
+3.5
+0.2
Leyton Orient 3 Stevenage 0 -2.4
-2.1
-0.1
York 1 Hartlepool 2 -2.0
-2.0
-0.1
Dag & Red 1 Leyton Orient 3 -2.0
-2.0
-0.1
Hartlepool 1 Newport 0 -1.7
-2.1
-0.1
Carlisle 4 Cambridge 4 +1.6
+1.1
+0.1
Plymouth 1 Portsmouth 2 -1.6
-1.3
-0.1
Northampton 3 Exeter 0 -0.8
-0.4
-0.0
Wimbledon 1 Cambridge 2 -0.3
-1.8
-0.1
Accrington 1 Mansfield 0 +0.2
+1.5
+0.1
Luton 2 Oxford Utd 2 +0.2
+0.9
+0.1
Morecambe 1 Accrington 0 +0.1
+0.2
Luton 0 Bristol Rovers 1 -0.4
-0.1
Crawley 1 Wimbledon 2 +0.3
+0.0
Dag & Red 1 Exeter 2 -0.3
Yeovil 0 Bristol Rovers 1 +0.2
Oxford Utd 3 Notts County 1 +0.1
+0.0
Week of 8/22100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Wycombe 1 Dag & Red 1 -31.8
-16.9
-1.1
Newport 2 Leyton Orient 3 -13.8
-0.3
-0.2
Stevenage 2 Hartlepool 0 +4.4
+5.0
+0.3
Cambridge 0 Crawley 3 +0.1
+2.9
+0.1
Portsmouth 3 Morecambe 3 +0.1
+3.0
+0.1
Northampton 0 Plymouth 2 -0.1
Points
Chance Will Win Championship