How are these numbers calculated?

Big Games

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

Week of 7/17100.0*Chance in playoffs100.0*Average seed
PHILLIESWINNING 145 Larz Cards 155 -12.2
-0.5
Hell Yeah 132 Cubs fan 2 120 +1.5
Entropy 154 SuperMc Scrambl 176 +0.3
+0.0
STL#1 218 hollyashley 165 +0.3
+0.0
WhiteSOXwin 159 BS Scotties 153 +0.1
uk cubs 2 153 long island yan 102 -0.1
If winner is:HomeAway
Week of 7/24100.0*Chance in playoffs100.0*Average seed
PHILLIESWINNING vs Entropy+9.6-14.1
+0.4-0.6
Larz Cards vs SuperMc Scrambl-3.5+0.8
-0.1+0.0
Cubs fan 2 vs BS Scotties+0.9-0.9
STL#1 vs uk cubs 2+0.1-1.0
+0.0-0.1
hollyashley vs long island yan-0.4+0.6
Hell Yeah vs WhiteSOXwin+0.3-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
179-0In0100025,615
168-1100.0%09730232,385
157-299.9085150921,022
146-397.056413002,017,205
135-473.11954243002,715,905
124-521.5120402981002,357,570
113-60.80182636236101,330,995
102-7Out01928372030470,657
91-8Out02154337394,804
80-9Out011632610,537
Total:55.4%02729171175311010,176,695
Games Above .500
Chance Will Make Playoffs