How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
Josh 73 Chris 57 -15.7
-1.4
Jake 61 Kyle 24 -3.0
-0.0
Jason 61 Yarroch 63 +2.5
+0.1
Darryl 88 Stephen 61 +0.6
Zach 77 Bill 36 -0.4
+0.0
Babs 60 Brandon 105 -0.3
+0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Jake 75 Chris 32 Out
-1.1
Babs 65 Stephen 50 +3.0
-0.1
Brandon 60 Zach 45 +1.9
+0.1
Darryl 62 Bill 55 -1.9
+0.2
Kyle 55 Jason 50 -0.1
If winner is:HomeHome OTTieAway OTAway
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Jason vs Chris-1.4-1.4-1.1+1.3+1.5
Kyle vs Yarroch-0.2-0.2-0.1+0.2+0.3
Darryl vs Zach+0.2+0.0-0.2-0.2-0.2
Babs vs Bill+0.0+0.0-0.4-0.0+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
111-0-0Out103540159,454,726
100-0-1Out105932288,286
90-1-0Out49519,452,484
Total:Out517208252519,195,496
Games Above .500
Chance Will Make Playoffs