How are these numbers calculated?

Big Games

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

Week of 10/30100.0*Average seed
Shrew 6 Chara 16 +0.5
Hattrick 3 Glory 11 +0.0
Week of 11/6100.0*Average seed
Shrew 4 Puckin 5 +0.1
Chara 3 Butt H 10 -0.0
Week of 11/13None

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
2-3Out10092,590,620*
Total:Out10092,590,620

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs