How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Chance in playoffs100.0*Average seed
Dustyscoop 89.12 Wheezyhawk622 55.8 +5.2
+0.2
kyoungisbeastmm 52.4 batmancui 86.62 -2.8
-0.0
floridag7 77.46 Oggy7 82.06 -0.4
kegal the elf 95.78 playmax 62.24 +0.1
Week of 11/27100.0*Chance in playoffs100.0*Average seed
Dustyscoop 84.8 kegal the elf 109.36 -2.8
-0.3
batmancui 100.5 floridag7 95.5 -2.8
+0.1
Oggy7 101.72 redcattheory 111.88 +1.0
+0.3
If winner is:HomeAway
Week of 12/4100.0*Chance in playoffs100.0*Average seed
Dustyscoop vs playmaxIn-25.8
+0.6-1.3
redcattheory vs batmancui+9.6-5.6
+0.2-0.1
floridag7 vs Wheezyhawk622-3.6In
-0.1+0.2
Oggy7 vs ocwalk-4.3+9.7
-0.1+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs12345678910Count
91-00In544661,503,798
80-0162.8%18543727,227,622
Total:88.6%3834171188,731,420
Points
Chance Will Make Playoffs