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*Chance in playoffs100.0*Odds of winning championship100.0*Average seed
Brandon McMichael 84.8 Tom Reed 124 -8.9
-3.9
-0.8
Aaron McMichael 40.3 James Quinly 117.6 -1.0
-0.0
Austin Harman 74.9 Alex Valley 132.3 +0.4
+0.0
Cary McMichael 113 Roger Harman 82.5 +0.2
Nick Treado 125.3 Trey Reed 71.7 +0.8
-0.1
Week of 11/28100.0*Chance in playoffs100.0*Odds of winning championship100.0*Average seed
Aaron McMichael 116 Brandon McMichael 89.8 -18.8
-1.2
Alex Valley 116 Nick Treado 71 -3.1
-0.1
Roger Harman 107.1 Trey Reed 141 +3.1
James Quinly 97.9 Austin Harman 74 -0.2
If winner is:HomeTieAway
Week of 12/5100.0*Chance in playoffs100.0*Odds of winning championship100.0*Average seed
Austin Harman vs Brandon McMichael-37.4-38.2In
-1.0-1.0+1.0
Roger Harman vs Alex Valley+12.5+13.1-12.5
+0.3+0.3-0.3
Tom Reed vs Aaron McMichael-12.5+12.5+12.5
-0.0+0.5+0.0
Trey Reed vs Cary McMichael+0.2+0.3-0.2

What If

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

100100100100100100100100100100
If finish:Chance inOdds ofChance will finish regular season at seedOdds of
TPW-OTLTplayoffswinning championship12345678910getting lastCount
71-000InNo255025No4,170,690
60-01025.1%No255025No4,172,371
0-00124.3No245125No8,479
Total:62.5%No1325252512No8,351,540
Points
Chance Will Make Playoffs