How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Chance in playoffs100.0*Average seed
RunB 130.4 Apex 145.1 -0.9
-0.3
ARON 117.8 Ram 158 -0.6
+0.2
WiCa 146.4 Luck 242.6 +0.5
If winner is:HomeAway
Week of 11/26100.0*Chance in playoffs100.0*Average seed
Tank vs RunB-1.5+1.5
-0.4+0.4
Ram vs WiCa+0.9-0.9
-0.1+0.1
Luck vs Funk-0.3+0.3
Irel vs ARON+0.2-0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
113-0In9642,253,377
102-1In4454826,748,304
91-299.9%22762006,744,397
80-388.026621202,253,462
Total:98.5%29350161017,999,540
Games Above .500
Chance Will Make Playoffs