"to welcome the change" means to be open and accepting of a new or different situation, idea, or outcome. It means embracing the change rather than resisting or opposing it. Full definition
This week we've had near freezing temperatures with beautiful sunshine which was actually a very welcome change from constant rain. (theboxqueen.com)
It's a nice and very welcome change of pace for him. (markedmovies.org)
It's a much better user experience, and an especially welcome change for a handheld version since it makes the game easier to play for short bursts. (gamnesia.com)