If sending $500, the amount that will go to fees is $25.04 and the recipient will receive $474.96. That's 5.01% going to fees, effectively.
* Using Domestic fee rate of 4.99% + $.09 (Micropayment)
To receive $500, a payment of $526.36 should be sent. $26.36 will go to fees. That's 5.01% in fees, effectively.