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
Peter SMASH!!! 52 Acoustic Mayhem 118 +8.1
+0.9
Sonshine Express 95 Chosen Ones 86 +0.9
Putin on the Ritz 98 Cornballer 49 -0.5
South Beach Tal 73 Karma Police 77 -0.4
American Ninja 83 Jewbacca and th 142 -0.2
Week of 11/23100.0*Chance in playoffs100.0*Average seed
Jewbacca and th 100 Acoustic Mayhem 128 +0.7
Sonshine Express 88 South Beach Tal 101 +0.2
American Ninja 98.5 Putin on the Ritz 88.8 +0.2
Cornballer 119.7 Chosen Ones 85 -0.1
If winner is:HomeAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
Acoustic Mayhem vs Cornballer+0.8-0.8
Jewbacca and th vs Sonshine Express+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
91-0In9465,463,235
80-1In405465,461,105
Total:In472327310,924,340
Games Above .500
Chance Will Make Playoffs