Just unscrew the P trap.
Got it, so this photo where I’m point is where to detach it?Point the arrow down and the next nut on the pipe will release the tailpiece from the trap.
So just to confirm this is where I’m disconnecting it correct?They may have been hand tight originally, but probably not now. Use a pair of Channellocks to loosen the nut. You have to disconnect the hot and cold water lines to the faucet and disconnect the trap. Carefully cut the caulk and remove any retainer brackets (if any) holding the sink to the counter and the sink should come out. be careful that the formica doesnt delaminate.