How are these numbers calculated?

Big Games

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

Week of 2/10100.0*Chance in playoffs100.0*Major Playoff100.0*Average seed
XctN 0 T1 2 -0.1
-0.1
Vice 0 Neon 2 +0.9
+0.0
Fnatic 2 496 0 -2.1
-0.0
Vice 0 Fnatic 2 -0.6
Week of 2/17100.0*Chance in playoffs100.0*Major Playoff100.0*Average seed
Neon 1 Fnatic 2 -1.7
-54.6
-0.7
496 0 TNC 2 -1.0
T1 2 Vice 0 -0.1
-0.1
If winner is:HomeAway
Week of 2/24100.0*Chance in playoffs100.0*Major Playoff100.0*Average seed
Neon vs T1In-11.1
+11.1-22.2
+0.5-1.0
Fnatic vs TNCIn-11.1
-22.2+44.4
-0.2+0.3

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
61-0In33.3%3367No107,321,672,374
50-183.3%0.0008317No53,675,745,290
Total:94.4%22.2%2244286No160,997,417,664
Points
Chance Will Make Playoffs