How are these numbers calculated?

Big Games

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

Week of 1/28100.0*Chance in playoffs100.0*Average seed
Bowie 2 Metro 1 -0.1
Harford 7 Potomac 3 -0.2
Harford 4 Navy 0 -0.1
Reston 1 Howard 3 -0.1
Week of 2/4100.0*Chance in playoffs100.0*Average seed
Bowie 4 Reston 2 -0.3
TriCity 0 Potomac 1 In
+0.2
Harford 0 Piedmont 3 +0.2
Howard 1 Navy 2 +0.2
Potomac 6 Hagerstown 2 +0.1
Navy 0 Howard 3 -0.1
Week of 2/11100.0*Chance in playoffs100.0*Average seed
Harford 3 Howard 6 -0.2
Piedmont 0 Howard 4 -0.2
Bowie 2 Potomac 2 -0.1
Potomac 2 Baltimore 2 -0.0

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs1234567891011Count
310-000In10059,144,228
Total:In10059,144,228
Points
Chance Will Make Playoffs