Billy, the simple answer is that Helium10 is saying that the monthly revenue is $7984 for the total of all variations.
Tools like Helium10 and Junglescout only provide reliable estimated sales for the parent ASIN and cannot be used for each individual child ASIN.
In case you aren’t aware, Helium10 and Junglescout only provide estimates of sales volumes and revenues as Amazon does not make any sales data publicly available. So Helium10 and Junglescout estimate sales based upon the historical data they hold and by comparing with some benchmark products that they sell or have access to (for example, if Helium10 actually sells a pet product with BSR of 5000 then they know exactly how many sales are generated from a BSR of 5000. Helium10 then extrapolates to work out estimated sales volumes for other BSRs). Based upon their methods, both Helium10 and Junglescout do provide very reliable estimates which is why we use them.
But their data cannot be interpolated for variations. Amazon does not publish data for variations and it is impossible to know, for example, if the big size sells twice as many as the small size or vice-versa.
In the Labra case you posted, the BSR relates to the parent ASIN. While the Helium10 screenshot shows a small variation in revenue and BSR across the variations this is just a data anomaly at that time (each ASIN had been sampled by Helium10 at different times). By the time I had checked it, all 4 ASINs showed the same numbers.
So in this case, the revenues are below $10K which is not great. Also, all these products seem to have many size variations and we generally recommend avoiding variations. I’d be looking elsewhere.