Moving an outlet
Shut off the power at the breaker!!!
If you're putting cupboards in front of where this outlet is now it will be easy. Cut the drywall out being sure not to cut the electric cable. Check if you have enough cable to stretch to your new outlet. Probably not,so you will need a junction box. Connect colors to like colors using wire nuts and electric tape.
Cut your new hole for your new outlet. Watch out for electric cables. Using a coathanger fish the line up to the new hole. Reconnect the wires to the outlet the same way you disconnected them.
Electricians feel free to correct me if I'm wrong or missed something.