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
G2 1 FNC 0 +18.3
-0.8
+0.9
VIT 1 MAD 0 -1.5
+0.4
-0.1
OG 0 S04 1 +1.3
+0.5
+0.1
RGE 0 SK 1 -1.2
-0.1
MSF 0 XL 1 -1.1
-0.3
If winner is:HomeAway
Friday, 8/7100.0*Chance in playoffs100.0*Relegated100.0*Average seed
MSF vs G2-9.1+9.1
-0.6+0.6
OG vs SK-2.0+2.0
-0.1+0.1
VIT vs S04-1.7+1.7
FNC vs XL-1.3+1.3

What If

Chances based on how well the G2 finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910RelegatedCount
113-0In2575No1,044,964
102-1In42526No3,129,518
91-291.5%014453281No3,131,271
80-322.331940353No1,045,787
Total:87.1%325252014850No8,351,540
Games Above .500
Chance Will Make Playoffs