Total Days Since First Visit and Last Visit mismatch

The Total days since first visit and total days since last visit in custom reports is not showing the values of the days since first visit and days since last visit. There are some mismatch in the values.

Your Matomo version seems not to be the last one (maybe a bug has been fixed?)
What do you mean in

?
What happens if you change the report date?

If I change the date the table contains the total days since the first and last visit for the user who has visited on that day.Even this user has visited 28 days ago first visit and 0 days ago last visit

Sorry, I don’t understand what you mean…
Can you write a table where one can see for example:
Displayed data for 2021-11-22 and for 2021-11-21
Expected data for 2021-11-22 and for 2021-11-21