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 -1.0
+0.1
Caen 6 Bastia 1 -0.6
-0.0
Angers 2 Nîmes 3 No
-0.8
Istres 1 Lens 6 -0.3
Niort 1 Auxerre 0 -0.3
-0.1
Nancy 3 Istres 1 -0.3
-0.1
Brest 0 Caen 1 -0.2
+0.1
Laval 1 Nancy 0 +0.1
+0.1
Créteil 1 Niort 1 +0.1
Nîmes 1 Brest 1 +0.0
Dijon 2 Châteauroux 1 -0.1
Clermont-Ferrand 0 Dijon 1 -0.1
Tours 2 Arles-Avignon 2 +0.1
Le Havre 2 Troyes 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 -0.4
Lens 0 Brest 1 -0.3
Caen 1 Tours 3 -0.3
Istres 2 Dijon 4 -0.2
Niort 1 Bastia 1 +0.0
If winner is:HomeDrawAway
Week of 5/16100.0*Promoted to Ligue 1100.0*Average seed
Angers vs Istres+0.6-0.2-1.4
Tours vs Clermont-Ferrand-0.3+0.1+0.5
Brest vs Châteauroux-0.3+0.3+0.4
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 the Angers finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
551-0-0NoNo295021No32,951,796,120
530-1-0NoNo22673No18,326,174,093
520-0-1NoNo1314919No10,582,285,987
Total:NoNo16353883No61,860,256,200
Points
Chance Will Win Championship