How are these numbers calculated?

Big Games

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

Week of 9/12100.0*Chance in playoffs100.0*Average seed
DI 36 CH 86 -10.7
-0.8
DI 36 CP 64 -7.0
-0.7
CM 85 SM 105 -1.4
-0.1
BR 126 RD 100 +1.4
+0.1
BE 136 LP 100 +1.4
+0.1
If winner is:HomeAway
Week of 9/19100.0*Chance in playoffs100.0*Average seed
RT vs DI-6.0+7.2
-0.6+0.7
RD vs HP-1.0+1.2
UM vs LP+0.7-1.0
+0.0-0.1
SM vs HP-0.7+0.9
CH vs BR-0.7+0.6

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
1414-0In1000905
1313-1In9820302
1212-2In7418802,908
1111-3In3637242116,852
1010-499.6%63432161100068,066
99-591.90119342611710198,706
88-658.010148342117400428,674
77-716.201015724321730707,751
66-81.502031838328892,393
55-90.00002144341854,965
44-100.00022277613,183
33-11Out0694318,586
22-12Out0199114,152
11-13Out010025,113
00-14Out1003,464
Total:15.3%01132747101420314,246,020
Games Above .500
Chance Will Make Playoffs