How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
GRAL 102.1 DTD 138.8 +10.7
+0.6
TOTS 105.4 MAC 108.9 +3.2
-0.1
RUN! 104 TDFW 110.8 -1.0
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
DTD vs TOTS+28.0Out
+0.7-0.7
GRAL vs RUN!-4.4+4.4
-0.2+0.2
TDFW vs MAC+1.8-1.8
+0.2-0.2

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
72-095.2%95403,860,247
61-18.38563147,708,078
50-2Out636583,858,403
Total:28.0%2831251715,426,728
Games Above .500
Chance Will Make Playoffs