Wolves failed to take anything from the game at Upton Park following Teddy Sheringhams goal for the home side 15 minutes from time.
"We said at half-time that the team that made the mistake would be punished, and unfortunately it was us," Jones said after the game.
"I am not feeling the pressure, but it is true that I am concerned. But I do not think change is the best thing for this club.
"If you ask me if the work of the last three-and-a-half years should be thrown away, then my answer is 'no'.
"But we are in a business where people will hype things up and I can't do anything about that. All I can do is get the result, and today I didn't."