How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Chance wins title100.0*Average seed
Ireland 19 France 9 -5.9
-0.6
Scotland 29 Wales 13 -0.3
-0.0
England 36 Italy 15 No
+0.0
If winner is:HomeDrawAway
Week of 3/10100.0*Chance wins title100.0*Average seed
Wales vs Ireland+0.1+0.2-0.1

What If

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

100100100100100100
If finish:ChanceChance will finish season at seed
TPW-OTLDwins title123456Count
122-000No15543014,601,099,752
101-001No1207631,451,279,791
81-010No2455312,947,219,647
0-002No633735,855,224
60-011No7912629,798,554
40-020No90102,679,475,748
Total:No7263631132,344,728,716
Points
Chance Will Win Championship