If you want to refund money on PayPal you will have to follow a few simple steps.
Step 1 - Sign In to access dashboard of your PayPal
Step 2. Click on Activities link
Step 3 - Select the payment you want to refund and click on the name of the payer.
Step 4 - Click Issue a Refund button and from the next page you will have to decide the amount you will refund.
Step 5. Finally click issue refund button.