How are these numbers calculated?

Big Games

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

Week of 3/30100.0*Average seed
Scheck 6 K. Jackson 9 +0.6
Witcraft 8 Allen 7 +0.2
Schoolman 6 Vos 8 -0.0
If winner is:HomeHome SOAway SOAway
Week of 4/13100.0*Average seed
K. Jackson vs M. Jackson+1.6+1.6+0.2-0.2
Schoolman vs Riveron+0.8+0.0-0.1-0.1
Scheck vs Wright-0.1-0.1-0.0+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789Count
910-0Out1652314,167,916
800-1Out439584,964,305
701-0Out99148,055,046
Total:Out14138257,187,267
Points
Chance Will Make Playoffs