How are these numbers calculated?

Big Games

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

Week of 2/9100.0*Average seed
CCSC 0 Rebels 4 -0.0
Wintersport 1 Blue_Hens 3 -0.0
Week of 2/17100.0*Average seed
Pens 3 Rebels 5 -0.5
If winner is:HomeAway
Week of 2/24100.0*Average seed
Rebels vs White-0.2+0.8

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OT-WL-OTTplayoffs123456789101112Count
530-0-00-00In178389,119,859,984
Total:In178389,119,859,984
Points
Chance Will Make Playoffs