How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Nomads 99.28 Mandrill ManHun 94.84 +15.9
+1.0
Visigoths 83.58 Ponies Are Pret 106.92 -3.2
-0.2
Cosmic Crushers 62.92 rofl-o bills 75.66 +2.2
+0.1
*Football Giant 69 Angry Ants 69.54 +2.0
Menz's Marauder 67.12 Fighting Mongoo 89.42 +0.9
+0.1
Krokodil Hunter 79.3 One Fate 84.86 -0.8
+0.1
DAM Rednecks 115.6 Rhymes with Pun 71.92 +0.3
+0.0
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Nomads 97.78 Fighting Mongoo 45.22 +34.4
+1.5
*Football Giant 131.78 Visigoths 73.84 -11.1
-0.2
Cosmic Crushers 48.6 Ponies Are Pret 115.04 -2.4
Menz's Marauder 91.32 Rhymes with Pun 71.72 -2.0
-0.2
DAM Rednecks 84.5 One Fate 111.84 +1.5
Angry Ants 98.38 Mandrill ManHun 115.4 -0.4
Krokodil Hunter 80.42 rofl-o bills 60.74 -0.2
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Nomads vs Rhymes with Pun+27.8-50.4
+0.7-1.2
Krokodil Hunter vs Ponies Are Pret+14.1-7.8
+0.3-0.2
Cosmic Crushers vs Visigoths+8.9-4.9
+0.5-0.3
*Football Giant vs Mandrill ManHun-6.5+3.6
-0.5+0.3
DAM Rednecks vs rofl-o bills-4.0+5.5
-0.1+0.2
Menz's Marauder vs One Fate-4.7+2.6
-0.3+0.1

What If

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

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314Count
71-091.5%023313887,852,516
60-113.301354334,326,885
Total:63.7%0152029251212,179,401
Games Above .500
Chance Will Make Playoffs