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
CoP 113.56 Mel 142.78 +13.6
+0.7
Ortiz 77.96 Topper 84.74 -3.9
-0.2
Ruski 140.04 Darth 99.58 +3.3
+0.1
Meg 116.42 Jackie 123.12 -3.2
-0.1
James 144.86 Rob 132.8 +0.6
Week of 12/3100.0*Chance in playoffs100.0*Average seed
James 129.84 Mel 135.54 +10.4
+0.9
Ortiz 117.8 Rob 122.84 -3.5
-0.2
Ruski 135.56 Topper 97.26 +3.3
+0.2
Moff 124.72 Jackie 124.18 +3.0
+0.2
David 65.82 Darth 103.22 -2.4
-0.1
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Ortiz vs Mel-0.4+0.4
CoP vs James+0.2-0.2
Ruski vs Rob+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
111-0In10013,504,033
100-1In33482013,500,295
Total:In66241027,004,328
Games Above .500
Chance Will Make Playoffs