How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Chance in playoffs100.0*Average seed
James 144.86 Rob 132.8 +14.9
+0.9
Ortiz 77.96 Topper 84.74 -3.8
-0.1
Ruski 140.04 Darth 99.58 +3.2
+0.1
Meg 116.42 Jackie 123.12 -3.1
-0.1
CoP 113.56 Mel 142.78 -1.7
-0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
James 129.84 Mel 135.54 -9.2
-0.9
Ortiz 117.8 Rob 122.84 -3.2
-0.2
Ruski 135.56 Topper 97.26 +3.0
+0.2
Moff 124.72 Jackie 124.18 +2.8
+0.2
David 65.82 Darth 103.22 -2.2
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
David vs TopperIn-11.0
+0.2-0.2
CoP vs James-11.0In
-1.0+1.0
Ruski vs Rob+3.5-3.5
+0.3-0.3
Darth vs Jackie+2.1-2.1
+0.1-0.1
Ortiz vs Mel+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
101-0In37511213,501,580
90-178.0%928412213,502,748
Total:89.0%183020201127,004,328
Games Above .500
Chance Will Make Playoffs