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 -10.1
-0.9
Jason 61 Yarroch 63 +2.8
+0.1
Jake 61 Kyle 24 -2.6
+0.0
Zach 77 Bill 36 -0.4
+0.0
Babs 60 Brandon 105 -0.2
+0.1
Darryl 88 Stephen 61 +0.1
-0.1
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Jake 75 Chris 32 Out
-0.8
Babs 65 Stephen 50 +3.0
-0.2
Brandon 60 Zach 45 +1.5
+0.1
Darryl 62 Bill 55 -1.0
+0.1
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-1.3-1.3-1.1+1.4+1.5
Babs vs Bill+0.0+0.0-0.4-0.0-0.0
Kyle vs Yarroch-0.3-0.3-0.2+0.2+0.2
Darryl vs Zach+0.1-0.0-0.1-0.1-0.1

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
111-0-0Out733441625,505,057
100-0-1Out66133839,302
90-1-0Out574329,634,113
Total:Out315207312355,978,472
Games Above .500
Chance Will Make Playoffs