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

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
25-26In1007,975,682*
240-1-0In62387,451,046
Total:In811915,426,728

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs