It's not a bug, but it can be confusing if you aren't familiar with how it works.
It's the sum of your question views + the sum of the views of a question you have an answer on that meetmeets certain criteria
.
The logic behind the "impact reach"reached" total is explained on this Meta.SE Stack Exchange post:
- Questions * Non-deleted only
- Answers - Views of the parent question for answers that are:
- Non-deleted AND
- Score > 0 AND
- Not self-answers AND
- Also meeting one or more of the following criteria:
- In the top 3 answers OR
- Is the Accepted Answer OR
- Score at least 5 OR
- Has at least 20% of the total vote count