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*Demoted100.0*Average seed
Vice 0 Fnatic 2 -3.0
+12.0
-0.4
TNC 2 BOOM 0 +0.3
-0.1
Vice 0 Neon 2 -0.2
+2.6
-0.1
Fnatic 2 496 0 -1.8
+0.0
XctN 0 T1 2 -0.6
+0.1
Week of 2/17100.0*Chance in playoffs100.0*Demoted100.0*Average seed
BOOM 2 XctN 0 Out
+2.4
+0.1
T1 2 Vice 0 Out
+6.8
-0.3
Vice 0 BOOM 2 Yes
-0.2
496 0 TNC 2 -1.3
+0.0
If winner is:HomeAway
Week of 2/24100.0*Chance in playoffs100.0*Demoted100.0*Average seed
XctN vs 496-0.5+0.5

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
10-0OutNo5050Yes160,997,417,664
Total:OutNo5050Yes160,997,417,664
Points
Chance Will Make Playoffs