Average revenue per unit (ARPU) is calculated by dividing total ... here's what you should know about ARPU and how to calculate it. Image source: Getty Images. The formula for calculating ARPU ...

Calculating profit as a percentage ... size between the two companies than to their profitability, per se. Apple's operating profit margin = $71,230 / $233,715 = 30.5% Fitbit's operating profit ...