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
Nîmes 1 Brest 1 -0.4
-0.1
Caen 6 Bastia 1 -0.1
Nancy 3 Istres 1 -0.1
-0.0
Niort 1 Auxerre 0 -0.1
-0.1
Lens 0 Angers 0 +0.1
-0.0
Brest 0 Caen 1 No
-0.8
Istres 1 Lens 6 No
Angers 2 Nîmes 3 +0.2
Créteil 1 Niort 1 +0.0
Dijon 2 Châteauroux 1 -0.1
Clermont-Ferrand 0 Dijon 1 -0.1
Tours 2 Arles-Avignon 2 +0.1
Troyes 0 Metz 1 +0.1
Le Havre 2 Troyes 1 +0.1
Arles-Avignon 2 Créteil 1 +0.1
Auxerre 2 Le Havre 1 +0.0
Metz 1 Tours 1 -0.0
Week of 5/9100.0*Promoted to Ligue 1100.0*Average seed
Lens 0 Brest 1 +1.1
Caen 1 Tours 3 -0.4
Châteauroux 0 Créteil 2 -0.1
Clermont-Ferrand 0 Troyes 3 -0.1
Nancy 3 Angers 1 +0.1
Istres 2 Dijon 4 -0.1
Arles-Avignon 0 Auxerre 2 +0.1
Metz 3 Le Havre 0 +0.0
If winner is:HomeDrawAway
Week of 5/16100.0*Promoted to Ligue 1100.0*Average seed
Brest vs Châteauroux+0.6-0.5-0.9
Tours vs Clermont-Ferrand-0.2+0.1+0.3
Angers vs Istres-0.2+0.2+0.3
Dijon vs Caen-0.1-0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
561-0-0NoNo1189No31,842,060,497
540-1-0NoNo245026No18,326,331,114
530-0-1NoNo74151No11,691,864,589
Total:NoNo5542317No61,860,256,200
Points
Chance Will Win Championship