How are these numbers calculated?

Big Games

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

Week of 2/18100.0*Chance wins title100.0*Average seed
Canada 34 United States 51 -1.8
Chile 10 Argentina XV 45 -0.3
Uruguay 23 Brazil 12 +0.1
Week of 2/25100.0*Chance wins title100.0*Average seed
Uruguay 17 Canada 13 -0.6
Argentina XV 79 Brazil 7 +0.0
Week of 3/3100.0*Chance wins title100.0*Average seed
Brazil 24 Canada 23 -0.5

What If

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

If finish:ChanceChance will finish season at seed
TPW-OTLDwins title123456Count
Chance Will Win Championship