How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Chance in playoffs100.0*Average seed
MAND 106 DOWD 115 -22.5
-1.4
HOOS 93 SYPH 71 +2.9
+0.1
MOSS 95 GORD 63 -2.6
-0.1
PJF 71 ZONE 61 +1.8
RG3 49 JAND 100 -1.3
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
MAND 108 MOSS 63 +21.8
+1.3
ZONE 101 SYPH 91 +1.8
DOWD 73 GORD 65 -1.2
-0.2
RG3 77 RARE 41 -1.0
-0.2
PJF 119 HOOS 157 -0.6
JAND 86 Flex 84 +0.3
+0.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
GORD vs MAND-29.0+29.0
-1.0+1.0
SYPH vs PJF-21.0+21.0
-0.2+0.2
HOOS vs ZONE-0.6+0.6
Flex vs RG3+0.4-0.4
+0.1-0.1
MOSS vs DOWD+0.2-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-059.7%011355404,372,665
70-11.721234524,370,823
Total:30.7%0011282617268,743,488
Games Above .500
Chance Will Make Playoffs