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
triplec 110 pistolshrimp 88 -27.0
-1.1
lucky9s 69 joplinjoe 47 -3.0
-0.1
snowballschance 88 milehighmagic 94 -1.5
mudslingers 82 hotchubbtimemachine 67 +0.6
+0.1
deeznutz 54 dixienormous 86 -0.5
-0.1
Week of 12/1100.0*Chance in playoffs100.0*Average seed
hotchubbtimemachine 74 snowballschance 89 +5.8
+0.2
twodogs 110 smokenhoes 47 +4.0
+0.1
dixienormous 75 milehighmagic 84 -3.2
-0.2
triplec 112 mudslingers 61 -2.0
If winner is:HomeAway
Week of 12/8100.0*Chance in playoffs100.0*Average seed
pistolshrimp vs snowballschance+34.8-34.8
+1.4-1.4
hotchubbtimemachine vs joplinjoe-7.9+7.9
-0.2+0.2
mudslingers vs milehighmagic+7.9-7.9
+0.1-0.1
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 pistolshrimp finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-074.2%1331312069,646,391
60-14.651828281859,639,537
Total:39.4%615181917149219,285,928
Games Above .500
Chance Will Make Playoffs