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
Lens 0 Angers 0 -3.0
-0.2
Caen 6 Bastia 1 -1.7
Angers 2 Nîmes 3 No
-0.7
Niort 1 Auxerre 0 -1.0
-0.2
Nancy 3 Istres 1 -0.9
-0.1
Istres 1 Lens 6 -0.7
Brest 0 Caen 1 -0.3
+0.1
Laval 1 Nancy 0 +0.2
+0.1
Créteil 1 Niort 1 +0.2
+0.0
Nîmes 1 Brest 1 +0.1
+0.0
Dijon 2 Châteauroux 1 -0.2
Clermont-Ferrand 0 Dijon 1 -0.1
Le Havre 2 Troyes 1 +0.1
Tours 2 Arles-Avignon 2 +0.0
Metz 1 Tours 1 +0.0
Troyes 0 Metz 1 +0.0
Arles-Avignon 2 Créteil 1 +0.0
Week of 5/9100.0*Promoted to Ligue 1100.0*Average seed
Nancy 3 Angers 1 -0.7
Lens 0 Brest 1 -0.2
Istres 2 Dijon 4 -0.2
Caen 1 Tours 3 -0.2
If winner is:HomeDrawAway
Week of 5/16100.0*Promoted to Ligue 1100.0*Average seed
Angers vs Istres+0.9+0.2-1.1
Tours vs Clermont-Ferrand-0.3-0.0+0.3
Brest vs Châteauroux-0.3+0.0+0.3
Créteil vs Nîmes-0.2+0.1+0.1
Troyes vs Niort-0.2+0.1+0.1

What If

Chances based on how well the Angers finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
551-0-0NoNo464410No7,169,704,552
530-1-0NoNo94348No6,036,429,245
520-0-1NoNo3424312No7,169,535,603
Total:NoNo192932154No20,375,669,400
Points
Chance Will Win Championship