How are these numbers calculated?

Big Games

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

Week of 5/2100.0*Promoted to Ligue 1100.0*Average seed
Metz 1 Tours 1 -0.0
+0.2
Lens 0 Angers 0 -0.0
Nîmes 1 Brest 1 +0.0
Tours 2 Arles-Avignon 2 -0.4
Brest 0 Caen 1 +0.2
Angers 2 Nîmes 3 +0.1
Troyes 0 Metz 1 +0.1
Dijon 2 Châteauroux 1 -0.1
Auxerre 2 Le Havre 1 +0.1
Clermont-Ferrand 0 Dijon 1 -0.1
Le Havre 2 Troyes 1 +0.1
Créteil 1 Niort 1 +0.1
Arles-Avignon 2 Créteil 1 +0.0
Bastia 1 Clermont-Ferrand 1 +0.0
Week of 5/9100.0*Promoted to Ligue 1100.0*Average seed
Caen 1 Tours 3 +1.3
Lens 0 Brest 1 -0.3
Châteauroux 0 Créteil 2 -0.2
Arles-Avignon 0 Auxerre 2 +0.2
Clermont-Ferrand 0 Troyes 3 -0.1
Nancy 3 Angers 1 +0.1
Istres 2 Dijon 4 -0.0
Metz 3 Le Havre 0 +0.0
If winner is:HomeDrawAway
Week of 5/16100.0*Promoted to Ligue 1100.0*Average seed
Tours vs Clermont-Ferrand+0.6-0.1-1.3
Brest vs Châteauroux-0.3+0.2+0.5
Angers vs Istres-0.2+0.2+0.3
Troyes vs Niort-0.1+0.1+0.1
Créteil vs Nîmes-0.1+0.1+0.1

What If

Chances based on how well Tours finishes out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
551-0-0NoNo44515No30,327,793,279
530-1-0NoNo94843No18,326,339,088
520-0-1NoNo6434110No13,206,123,833
Total:NoNo24412492No61,860,256,200
Points
Chance Will Win Championship