How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Average seed
Erdem 130.34 Stian 113.44 -0.2
Olav 146.92 Alex 141.58 -0.1
Week of 12/3100.0*Average seed
Olav 97.62 Stian 118.44 +0.4
If winner is:HomeTieAway
Week of 12/10100.0*Average seed
Olav vs Erdem-0.2+0.2+0.2
Bendik vs Stian-0.2+0.2+0.2

What If

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

100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678Count
4.5-5Out10022,295,080*
40-1-0Out613921,432,456
Total:Out811943,727,536

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs