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*Chance wins title100.0*Promoted to Ligue 1100.0*Average seed
Lens 0 Angers 0 -0.1
-3.2
-0.1
Metz 1 Tours 1 +0.1
Istres 1 Lens 6 +16.9
+0.5
Laval 1 Nancy 0 +7.7
+0.1
Brest 0 Caen 1 -3.7
-0.2
Nancy 3 Istres 1 -2.9
-0.1
Créteil 1 Niort 1 +1.8
+0.0
Niort 1 Auxerre 0 -1.8
-0.0
Caen 6 Bastia 1 -1.5
-0.1
Angers 2 Nîmes 3 +0.2
Nîmes 1 Brest 1 +0.1
Week of 5/9100.0*Chance wins title100.0*Promoted to Ligue 1100.0*Average seed
Lens 0 Brest 1 -9.1
-0.4
Niort 1 Bastia 1 +1.6
Nancy 3 Angers 1 -1.6
Caen 1 Tours 3 +0.2
+0.3
If winner is:HomeDrawAway
Week of 5/16100.0*Chance wins title100.0*Promoted to Ligue 1100.0*Average seed
Bastia vs Lens-26.3+2.8Yes
-0.6-0.2+0.4
Auxerre vs NancyYesYes-17.5
+0.1+0.1-0.2
Dijon vs Caen+0.4-0.3-0.3
+0.2+0.1-0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChancePromoted toChance will finish season at seedDown to
TPW-D-Lwins titleLigue 11234567891011121314151617181920NationalCount
651-0-0NoYes7129No30,147,563,984
630-1-0No92.8%10837No18,326,092,854
620-0-1No63.76436No13,386,599,362
Total:No90.0%375310No61,860,256,200
Points
Chance Will Win Championship