How are these numbers calculated?

Big Games

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

Week of 2/11100.0*Average seed
Peninsula 10 Richmond 0 -0.2
Potomac 3 Piedmont 5 +0.2
Potomac 0 Southern Maryland 2 +0.2
If winner is:HomeTieAway
Week of 2/25100.0*Average seed
Reston vs Potomac+0.2+0.1-0.3
Potomac vs Southern Maryland-0.3+0.1+0.2
Richmond vs Southern Maryland+0.2+0.1-0.3

What If

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

100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPW-OTLTplayoffsTrophy12345678Count
61-000OutNo811920,292,764
50-001OutNo68325,714,159
40-010OutNo307020,293,413
Total:OutNo574346,300,336
Points
Chance Will Make Playoffs