Have been wanting to ask why is it that most users here their activity is different from their post count. For example you will see some user having the post count of 500 with activity of 125 why is it like that and what Is the course?
Because activity is calculated according to a certain formula, which takes into account "number of two-week periods in which you've posted since your registration". Therefore, the number of activity on the forum will always be less than the number of posts written. You can read more about it in this topic
Activity & new membergroup limits.