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
Gotham 106 Dozen 112 -9.4
-0.6
Pikespike 139 Semora 78 -2.7
-0.1
Asian 154 Tease 81 +2.2
+0.1
Barhoppers 55 Cleveland 147 -2.1
-0.1
Jacksonville 113 Testicles 118 +0.5
+0.1
Pittsburgh 122 Barnstormers 129 -0.2
-0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Pikespike 108 Gotham 116 +21.6
+0.9
Pittsburgh 116 Jacksonville 135 -4.2
-0.1
Cleveland 151 Tease 118 -2.0
-0.1
Barnstormers 168 Testicles 109 +1.9
+0.1
Barhoppers 77 Asian 117 +0.2
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Testicles vs Gotham-10.7In
-0.6+0.6
Gotham vs Barnstormers+10.4-10.4
+0.5-0.5
Tease vs Jacksonville+6.4-6.4
+0.2-0.2
Cleveland vs Pittsburgh-4.7+4.7
-0.2+0.2
Testicles vs Pikespike-1.7+1.7
-0.1+0.1
Jacksonville vs Cleveland+1.2-1.2
Barnstormers vs Pikespike+1.1-1.1
Tease vs Pittsburgh+0.7-0.7
Semora vs Asian-0.6+0.6
Asian vs Dozen+0.6-0.6

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs123456789101112Count
92-00In9823,860,168
81-0199.7%4645907,711,374
70-0257.7122354113,855,186
Total:89.3%48281310015,426,728
Points
Chance Will Make Playoffs