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
Potomac 3 Piedmont 5 -0.1
Potomac 0 Southern Maryland 2 -0.0
Peninsula 10 Richmond 0 +0.0
If winner is:HomeTieAway
Week of 2/25100.0*Average seed
Reston vs Potomac-0.1+0.0+0.8
Potomac vs Southern Maryland+0.8+0.1-0.0
Richmond vs Southern Maryland-0.1-0.1+0.0

What If

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

100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPW-OTLTplayoffsTrophy12345678Count
72-000OutNo100323,985
61-001OutNo9641,734,666
51-010OutNo841611,749,839
0-002OutNo84162,355,356
3-4OutNo100138,173,962*
Total:OutNo991154,337,808

* Row combines multiple less frequent records.

Points
Chance Will Make Playoffs