Yikes! It's really disheartening when that happens, especially when you think you're being so good by ordering a salad.
Kimberly, have you visited the Dottie's Weight Loss Zone website? They have a ton of restaurants listed, including Applebee's, and they list both points and points plus values:
http://www.dwlz.com/Restaurants/applebees.html
On the plus side, lesson learned and you keep moving forward! One meal won't undo all your hard work.