On Zabbix 6.0 I have added "Plan text" object and selected to display only 1 line and I get:

How to add at right of Value column:
1. a new column with the same metric "Free disk space on /boot" but time shifted by 7 days
2. a new column with percentage between "current" and "7 day time shifted" value
I would like to do the same for other metrics e.g. Available Memory etc.
3. how to add value for example 24 hour average of Available Memory
How to add at right of Value column:
1. a new column with the same metric "Free disk space on /boot" but time shifted by 7 days
2. a new column with percentage between "current" and "7 day time shifted" value
I would like to do the same for other metrics e.g. Available Memory etc.
3. how to add value for example 24 hour average of Available Memory