How are these numbers calculated?

Big Games

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

Week of 2/13100.0*Average seed
EG 13 LO 17 +0.1
OSA 18 LO 13 -0.1
If winner is:HomeTieAway
Week of 2/19100.0*Average seed
EG vs RS-0.4-0.1+0.4
SPA vs EG+0.1+0.0-0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567Count
104-0-0In064450508,852
93-0-1In15832106,511
83-1-0In979122,026,386
2-0-2In78668,460
72-1-1In16930320,154
1-0-3In6040285
62-2-0In048513,038,185
1-1-2In0485216,941
0-0-4In50506
51-2-1In2278319,201
0-1-3In1486273
41-3-0In11892,025,436
0-2-2In6948,445
2-3In100615,609*
Total:In00544518,994,744

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs