How are these numbers calculated?

Big Games

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

Week of 9/17100.0*Chance in playoffs100.0*Average seed
ItHa 90 JUta 77.7 +8.0
+0.5
Capt 127.92 Caju 87.16 +0.5
Fair 43.24 IGra 92.2 +0.4
raym 100.2 Sith 116.54 +0.1
If winner is:HomeAway
Week of 9/24100.0*Chance in playoffs100.0*Average seed
ItHa vs Sith+7.2-7.2
+0.5-0.5
JUta vs IGra+0.8-0.6
Fair vs Drea-0.5+0.8

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1412-0In10063,840
1311-1In1000467,016
1210-2In97301,755,215
119-3In8416003,959,707
108-4100.0%50437006,017,307
97-599.212433591006,467,511
86-675.7082938204005,042,955
75-714.50213333515202,873,199
64-80.1003183932801,191,569
53-9Out019374112347,905
42-10Out09434868,727
31-11Out118818,170
20-12Out01997,499
Total:81.1%3323151075321028,270,620
Games Above .500
Chance Will Make Playoffs