How are these numbers calculated?

Big Games

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

Week of 11/16100.0*Chance in playoffs100.0*Average seed
HIVS 97.8 JEWS 63.3 -15.9
-0.8
BS 128.2 JF 117 -3.3
CABB 173 INFI 92.3 +1.8
SKAE 97.7 CV 101.4 -1.5
-0.1
TWIG 135 GG 105.9 -1.4
-0.1
Week of 11/23100.0*Chance in playoffs100.0*Average seed
INFI 106.2 JEWS 110.5 +27.1
+1.1
GG 49.7 BS 118.1 -7.3
-0.2
JF 149.4 HIVS 139.9 -5.2
-0.1
TWIG 91.2 SKAE 102.7 +4.7
+0.2
CV 134 CABB 168.3 -1.1
-0.0
If winner is:HomeTieAway
Week of 11/30100.0*Chance in playoffs100.0*Average seed
JEWS vs CABB+29.7+20.3-29.7
+0.8-0.0-0.7
INFI vs JF+20.3-4.5-20.3
+0.2-0.0-0.2
CV vs TWIG-7.8+7.0+7.8
-0.3+0.3+0.3
BS vs SKAE-4.7-6.2+4.7
-0.3-0.3+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
81-0-084.4%2834221615,426,950
7.10-0-174.92550253,097
70-1-025.0257515,433,493
Total:54.7%1417234530,863,540
Points
Chance Will Make Playoffs