How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 9/7100.0*Average seed
Silversides vs Costcutters+0.2-0.2
If winner is:HomeAway
Week of 9/14100.0*Average seed
Bearded Dwarves vs Silversides-0.2+0.2

What If

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

100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs1234Count
07-8In52649208,165,310
8-7In20492658,162,252
6-9In1941496,354,455
9-6In4941916,350,750
5-10In223753,823,757
10-5In752323,821,958
4-11In09911,746,567
11-4In91901,745,220
3-12In0298585,821
12-3In9820585,178
13-2In100136,384
2-13In100136,095
0-15In10027,271
15-0In10027,253
1-14In10019,664
14-1In10019,561
Total:In2525252541,707,496
Points
Chance Will Make Playoffs