How are these numbers calculated?

Big Games

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

Week of 2/10100.0*Chance in playoffs100.0*Average seed
Niagara Falls 48 Moscow 55.5 +1.4
+1.0
Providence 38.2 Innsbruck 41.5 -0.5
Quebec 65.4 Karlstad 55.3 +0.3
+0.2
Hidden Valley 66.6 Manchester 38.2 +0.1
+0.2
Happy Adventure 42.6 Nottingham 46.2 -0.1
Week of 2/17100.0*Chance in playoffs100.0*Average seed
Moscow 48.4 Quebec 45.8 +0.6
Nottingham 48.3 Niagara Falls 34.3 -0.3
Manchester 47.6 Happy Adventure 28.6 -0.1
Karlstad 41.5 Etobicoke 48.3 +0.1
If winner is:HomeTieAway
Week of 2/24100.0*Chance in playoffs100.0*Average seed
Etobicoke vs Moscow-0.4-0.4+0.3
Quebec vs Nottingham+0.3-0.4-0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
241-0-0In3086326,101,520
230-0-1In1001,549,691
220-1-0In97317,985,781
Total:In17477145,636,992
Games Above .500
Chance Will Make Playoffs