Did you used your promo codes? When promo code is used it’s shown in “Sales and Trends” as Paid app. I had one day 18 paid apps being shown so i thought for 10 seconds that i’m rich but then i realised that i gave 18 promo codes to ppl day before. Maybe that’s your difference?
Another thing that from what I recall plays in is if someone “buys” an app he already owns on the account its still processed as “click to purchased” while the user will naturally will get it for free