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*Average seed
Storm eSports 4 Safe Haven 0 Out
-1.3
Alexyoshis 0 One Last Ride 4 -0.1
Nano Me! Academy 4 Lijiang Legion 0 +0.0
ExPandable Bamb 0 Frantic LavaCats 4 +0.0
Chivalrous 0 Team Rage 4 +0.0
Golden Boys 4 RGT 0 +0.0
Week of 8/10100.0*Chance in playoffs100.0*Average seed
Safe Haven 0 Chivalrous 4 -1.1
Week of 8/13100.0*Chance in playoffs100.0*Average seed
RGT 4 Storm eSports 0 -0.4
Storm eSports 0 ExPandable Bamb 4 -0.1
Lijiang Legion 1 Alexyoshis 3 +0.1
Cosmic 4 Safe Haven 0 -0.0
ExPandable Bamb 0 Golden Boys 4 +0.0
Games Above .500
Chance Will Make Playoffs