The Portfolio Score is an item of the executive report that is based off of four subcategories:



OS Patch Score


Checks the number of available system updates for the device:


IF 0 = 100%,

IF 1-2 = 75%,

IF 3-5 = 50%,

IF more than 5 = 25%


The available updates can be seen System Updates under a given policy:



OS Score


This is based off the the OS version on the device versus the latest OS version available from Apple.


If <= 10.14 then 100%

If 10.13 then 75%

If 10.12 then 50%

If 10.11 then 25%


Disk Score


This is based off of the used disk space on the devices.


If  <=80% disk spaced used then 100% 

If 85% disk space used then 75% 

If 90% disk space used then 50% 

If 95% disk space used then 25%


Alerts


Based off of how many Alerts are triggered.


If 0 alarms are currently triggered then 100%

If 4 alarms  are currently triggered then 75%

If 10 alarms are currently triggered then 50%

if 20 alarms are currently triggered then 25%


Weight


Everything has a 1:1 weight.


Changing the scale can be done by clicking the gear icon on the top-right of the Portfolio Score:



The option to adjust the weight of each item will appear. After configuring them to your liking, click the save icon.