The cocnept is really cool and the spot where it appears on the steam store page is very nice but tbf i tried like 7 games of varying success and most of them were REALLY HEAVILY underestimated.
I suggest updating it to use these numbers instead
https://gamalytic.com/

Many devs aggree that this site and algorithm calculated an estimate that was extremely accurate and close to their actual numbers and most of them say that it's by far the best revenue calculator out there.

https://www.reddit.com/r/gamedev/comments/13hcqje/update_i_made_a_tool_that_can_accurately_estimate/