If sending $750, the amount that will go to fees is $26.67 and the recipient will receive $723.33. That's 3.56% going to fees, effectively.
* Using Domestic fee rate of 3.49% + $.49 (Invoicing, PayPal Checkout, Venmo)
To receive $750, a payment of $777.63 should be sent. $27.63 will go to fees. That's 3.55% in fees, effectively.