If sending $434, the amount that will go to fees is $15.64 and the recipient will receive $418.36. That's 3.6% going to fees, effectively.
* Using Domestic fee rate of 3.49% + $.49 (Invoicing, PayPal Checkout, Venmo)
To receive $434, a payment of $450.2 should be sent. $16.2 will go to fees. That's 3.6% in fees, effectively.