To calculate net accounts receivable, you need: total accounts receivable, allowance for doubtful accounts, and sales returns and allowances. A company's net receivables are the total amount of money its customers owe minus what the company estimates will likely never be paid.A formula for success: Advice from our Business Sales Executives. What's your formula for success? Contacting Ecolab and Nalco Water is easy. Just pick one of the options on this page and whoosh, you are off to the right place to get help. Vulcan Minerals Float Percentage Of Total Shares Outstanding Calculation. It is the percentage of float shares out of the total shares outstanding.