If I subscribe today , what is the expiry date?

my expire date is Aug 24
but i saw in my cart , text

“Proration deduction
Next renewal date Aug 24, 2022.”

and the discount

so if i subscription today , whate is the expiry date

will be “Aug 24 , 2023” or “Mar 12 , 2023 (today)”

thank you

That means that you bought an extra seat on that account, and now both got the same anniversary date as the first you bought.
You need to assign that extra seat to another email address.