How are these numbers calculated?

Big Games

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

Week of 2/22100.0*Average seed
DOEP 7 HOLM 2 +0.2
PIMP 1 DOUC 7 -0.2
BTZ 2 MACM 8 -0.1
If winner is:HomeAway
Week of 2/29100.0*Average seed
HOWO vs DOEP-0.2+0.2
DOUC vs RUET-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
35-37In1007,713,297*
331-2-0In87135,782,904
310-3-0In3750131,930,527
Total:In8711215,426,728

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs