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
snowballschance 88 milehighmagic 94 +8.5
+1.2
lucky9s 69 joplinjoe 47 -1.3
mudslingers 82 hotchubbtimemachine 67 +1.0
-0.1
triplec 110 pistolshrimp 88 +0.5
deeznutz 54 dixienormous 86 -0.4
+0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
dixienormous 75 milehighmagic 84 +15.7
+1.1
hotchubbtimemachine 74 snowballschance 89 +3.0
+0.1
triplec 112 mudslingers 61 -2.4
twodogs 110 smokenhoes 47 +2.1
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
mudslingers vs milehighmagic-34.8+34.8
-1.5+1.5
hotchubbtimemachine vs joplinjoe-7.9+7.9
-0.3+0.3
pistolshrimp vs snowballschance-7.9+7.9
-0.2+0.3
dixienormous vs triplec+1.7-1.7
+0.1-0.1
twodogs vs deeznutz-0.2+0.2
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-074.2%1331312069,644,889
60-14.6516232323109,641,039
Total:39.4%6151818141212519,285,928
Games Above .500
Chance Will Make Playoffs