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*Down to National100.0*Average seed
Arles-Avignon 2 Créteil 1 -0.3
+0.9
Nancy 3 Istres 1 -0.1
Niort 1 Auxerre 0 -0.1
+0.0
Nîmes 1 Brest 1 -0.1
Châteauroux 1 Laval 1 +0.1
Auxerre 2 Le Havre 1 +0.1
Istres 1 Lens 6 No
Tours 2 Arles-Avignon 2 No
+0.0
Troyes 0 Metz 1 +0.2
Clermont-Ferrand 0 Dijon 1 +0.1
Bastia 1 Clermont-Ferrand 1 +0.1
Le Havre 2 Troyes 1 -0.1
Créteil 1 Niort 1 +0.1
Metz 1 Tours 1 -0.0
Week of 5/9100.0*Down to National100.0*Average seed
Arles-Avignon 0 Auxerre 2 -1.4
Châteauroux 0 Créteil 2 -0.3
Caen 1 Tours 3 -0.2
Metz 3 Le Havre 0 +0.1
Clermont-Ferrand 0 Troyes 3 -0.1
Lens 0 Brest 1 -0.1
If winner is:HomeDrawAway
Week of 5/16100.0*Down to National100.0*Average seed
Le Havre vs Arles-Avignon-0.8+0.5+1.0
Tours vs Clermont-Ferrand+0.2+0.0-0.5
Créteil vs Nîmes+0.0+0.0-0.1

What If

Chances based on how well the Arles-Avignon finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
491-0-0NoNo22574No14,818,000,045
470-1-0NoNo7921No18,326,229,298
460-0-1NoNo60355No28,716,026,857
Total:NoNo064134162No61,860,256,200
Points
Chance Will Win Championship