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
OSA 18 LO 13 +0.4
EG 12 OSA 16 +0.2
EG 13 LO 17 -0.1
If winner is:HomeTieAway
OSA vs BF+0.5+0.3-0.1
If winner is:HomeTieAway
Week of 2/19100.0*Average seed
OSA vs HA+0.5+0.2-0.2
SPA vs EG-0.0+0.0+0.1

What If

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

100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs1234567Count
186-0-0In1090100,696
175-0-1In296243,101
165-1-0In0683111,103,676
4-0-2In0722627,959
154-1-1In0295615391,161
3-0-3In305417749
144-2-0In6534114,679,234
3-1-2In34055151,978
2-0-4In33955331
133-2-1In0148321,197,313
2-1-3In0108723,231
1-0-5In1003
123-3-0In0669268,916,182
2-2-2In47026106,535
1-1-4In762487
112-3-1In068311,509,943
1-2-3In069313,942
102-4-0In0010007,674,991
1-3-2In00100078,640
0-2-4In10054
91-4-1In991737,095
0-3-3In10001,325
81-5-0In93702,534,133
0-4-2In955017,161
70-5-1In82180110,634
60-6-0In33598287,188
Total:In041335471029,557,042
Games Above .500
Chance Will Make Playoffs