How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Argentina 54 Georgia 9 +17.4
+0.6
Tonga 35 Namibia 21 +1.1
Week of 10/2100.0*Chance in playoffs100.0*Average seed
New Zealand 43 Georgia 10 +4.1
+0.1
Week of 10/9None

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs12345Count
8-12In100901,705,920*
Total:In100901,705,920

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs