I have just placed a test order and noticed that the Order # (44) is much lower than the last sale which occurred on my store Order # 85. How do I correct this?
Reference order Id or increment Id is generated in magento sequentially.
But if your new order is lower than the last placed order, that means it is the order generated by previous un-converted quote.
Uncoverted quote simply means that, when you add to product in cart and do not place order and logout, then after login that product automatically gets added in cart.
And even if you have placed different orders after that, the quote id of that cart remains lower because it was previously created.
So when you place order then only the quote gets converted, and remain lower in the table because it was previously created and you have placed some orders after that.