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

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
25-26In10023,597,368*
240-1-0In653522,039,624
Total:In831745,636,992

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs