If sending $180, the amount that will go to fees is $6.77 and the recipient will receive $173.23. That's 3.76% going to fees, effectively.
* Using Domestic fee rate of 3.49% + $.49 (Invoicing, PayPal Checkout, Venmo)
To receive $180, a payment of $187.02 should be sent. $7.02 will go to fees. That's 3.75% in fees, effectively.