How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Saturday, 8/1100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF 0 XL 1 -12.8
+12.2
-0.7
G2 1 FNC 0 -2.2
+0.3
-0.1
RGE 0 SK 1 -2.2
+0.1
-0.1
VIT 1 MAD 0 -0.3
+3.0
-0.1
OG 0 S04 1 +0.3
+5.8
-0.1
If winner is:HomeAway
Friday, 8/7100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF vs G2+1.1Out
-15.5+15.5
+0.4-0.4
OG vs SK-0.4+0.4
-0.3+0.3
VIT vs S04+0.3-0.3
-2.0+2.0
FNC vs XL-0.2+0.2
-0.6+0.6

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910RelegatedCount
83-09.0%0945406No1,046,356
72-1Out332481717.1%3,129,157
61-2Out2197979.13,129,097
50-3Out100Yes1,046,930
Total:1.1%01718264948.6%8,351,540
Games Above .500
Chance Will Make Playoffs