How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 2/23100.0*Chance in playoffs100.0*Demoted100.0*Average seed
EHOME vs Elephant+22.9-10.7
-11.7+5.4
+0.7-0.3
PSG.LGD vs EHOME-8.8+18.8
+5.5-11.8
-0.4+0.9
EHOME vs LBZS+1.3-4.0
-9.8+28.9
+0.2-0.7
PSG.LGD vs iG-2.8+0.7
+0.4-0.1
-0.1+0.0
VG vs Elephant+0.8-1.7
-0.1+0.3
+0.0-0.1
PSG.LGD vs VG-1.1+0.5
+0.4-0.2
Elephant vs MagMa-0.4+0.9
-3.1+6.7
+0.0-0.1
Aster vs MagMa-0.1+0.9
-1.7+14.7
+0.0-0.2
MagMa vs iG+0.9-0.1
+14.7-1.7
-0.2+0.0
VG vs Aster-0.2+0.1
Aster vs LBZS+0.0-0.1
-0.3+8.6
+0.0-0.1
LBZS vs iG-0.1+0.0
+8.6-0.3
-0.1+0.0

What If

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

100100100100100100100100
If finish:Chance inMajorChance will finish regular season at seed
TPW-LplayoffsPlayoff12345678DemotedCount
43-095.0%0.0%00128350No87,836,877
32-112.1No0126819000.1%404,778,916
21-2OutNo885707.2528,993,608
10-3OutNo17216283.1136,090,215
Total:11.4%0.0%0011128486713.1%1,157,699,616
Points
Chance Will Make Playoffs