How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday100.0*Average seed
Madagascar 4 Trinidad and To 5 -0.6
Madagascar 6 Trinidad and To 5 +0.4
Equatorial Guin 6 Iceland 5 +0.2
Equatorial Guin 4 Iceland 5 +0.0
Wednesday100.0*Average seed
Madagascar 1 Ireland 3 -0.7
Vatican City 9 Liechtenstein 4 -0.1
Vatican City 7 Liechtenstein 4 -0.1
Madagascar 9 Ireland 2 +0.1
If winner is:HomeAway
Thursday100.0*Average seed
Scotland vs Iceland+0.5-0.2
Scotland vs Iceland+0.5-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs123456789101112Count
280-00In495127,541,128
Total:In495127,541,128
Points
Chance Will Make Playoffs