How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Odds of winning championship100.0*Average seed
Nick Treado 125.3 Trey Reed 71.7 -31.1
-0.5
Brandon McMichael 84.8 Tom Reed 124 +2.6
+0.1
Week of 11/28100.0*Odds of winning championship100.0*Average seed
Roger Harman 107.1 Trey Reed 141 +21.0
+0.3
Alex Valley 116 Nick Treado 71 +21.0
+0.2
Aaron McMichael 116 Brandon McMichael 89.8 +0.1
James Quinly 97.9 Austin Harman 74 -0.1
If winner is:HomeTieAway
Week of 12/5100.0*Odds of winning championship100.0*Average seed
James Quinly vs Nick TreadoYesYes-19.0
+0.2+0.2-0.2
Trey Reed vs Cary McMichaelYes-9.2-19.0
+0.2-0.1-0.2

What If

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

100100100100100100100100100100
If finish:Chance inOdds ofChance will finish regular season at seedOdds of
TPW-OTLTplayoffswinning championship12345678910getting lastCount
101-000InYes100No4,172,189
90-010In62.0%6238No4,171,161
0-001In71.87228No8,190
Total:In81.0%8119No8,351,540
Points
Chance Will Make Playoffs