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 +8.8
+0.2
MOSS 95 GORD 63 +4.0
+0.1
HOOS 93 SYPH 71 +3.2
+0.1
PJF 71 ZONE 61 -2.7
-0.1
RG3 49 JAND 100 +1.0
RARE 56 Flex 66 -0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
ZONE 101 SYPH 91 +20.1
+0.6
MAND 108 MOSS 63 -4.4
-0.1
DOWD 73 GORD 65 +1.4
+0.0
RG3 77 RARE 41 -1.2
-0.0
PJF 119 HOOS 157 -0.4
JAND 86 Flex 84 +0.3
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
SYPH vs PJF-1.3+0.4
-0.2+0.1
GORD vs MANDIn-0.2
HOOS vs ZONE-0.1+0.2
-0.0+0.1
MOSS vs DOWD-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-099.8%096409,371,445
80-199.58811117,261,011
Total:99.6%0919026,632,456
Games Above .500
Chance Will Make Playoffs