How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
Putin on the Ritz 98 Cornballer 49 +9.6
+1.1
Peter SMASH!!! 52 Acoustic Mayhem 118 +1.2
-0.1
Sonshine Express 95 Chosen Ones 86 +1.0
+0.1
South Beach Tal 73 Karma Police 77 -0.7
American Ninja 83 Jewbacca and th 142 +0.4
+0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
American Ninja 98.5 Putin on the Ritz 88.8 -0.6
Jewbacca and th 100 Acoustic Mayhem 128 -0.1
Cornballer 119.7 Chosen Ones 85 -0.1
Sonshine Express 88 South Beach Tal 101 +0.1
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Karma Police 64 Chosen Ones 95.2 +0.0
If winner is:HomeAway
Peter SMASH!!! vs Putin on the Ritz-0.4+0.3
Acoustic Mayhem vs Cornballer+0.2-0.3
Jewbacca and th vs Sonshine Express+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
81-0In13464121,490,962
70-1In10013,211,658
Total:In8296334,702,620
Games Above .500
Chance Will Make Playoffs