How are these numbers calculated?

Big Games

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

Week of 7/28100.0*Chance in playoffs100.0*Bye100.0*Average seed
Alexyoshis 0 One Last Ride 4 -4.6
-0.5
-1.8
Astral 4 Ascendancy 0 +0.5
-0.1
-0.1
Nano Me! Academy 4 Lijiang Legion 0 -0.5
ExPandable Bamb 0 Frantic LavaCats 4 -0.3
-0.1
Golden Boys 4 RGT 0 -0.2
Cosmic 0 No Potential 4 +0.1
+0.3
-0.2
Chivalrous 0 Team Rage 4 -0.1
-0.0
Team Rage 4 Storm eSports 0 +0.1
Week of 8/10100.0*Chance in playoffs100.0*Bye100.0*Average seed
Ascendancy 3 Nano Me! Academy 1 -0.1
No Potential 4 One Last Ride 0 +0.1
Cosmic 0 Team Rage 4 -0.0
Safe Haven 0 Chivalrous 4 -0.1
Week of 8/13100.0*Chance in playoffs100.0*Bye100.0*Average seed
Nano Me! Academy 3 Frantic LavaCats 1 Out
Lijiang Legion 1 Alexyoshis 3 +0.9
One Last Ride 0 Lijiang Legion 4 +0.4
Ascendancy 4 Alexyoshis 0 -0.4
Storm eSports 0 ExPandable Bamb 4 +0.1
Chivalrous 0 RGT 4 -0.0
Games Above .500
Chance Will Make Playoffs