Perhaps instead of counting every calorie and every bout of exercise as a measure, get familiar with the bariatric portion plate and bowl and stick to the servings of protein, carbs and healthy fats for each meal and snack.
Couple this method with increased daily activity levels, and you'll find it can be a lower-stress method to reaching your overall percentage of excess weight loss and reaching your goal weight without the feeling of limitation or deprivation,
Leave the weight loss calculator and the weight loss calorie calculator to your professional team, keep track of your meals and your macros, monitor what works for you as far as achieving fat loss, maintaining healthy body weight, and aim more for a focus on healthy, sustainable lifestyle habits you can implement where ever you go, and whatever your state of mind.
Deep down, we know that if it was as simple as calories in and calories out always equals weight loss, why is there such a percentage of people trying to lose weight using this method that is simply not getting the results they should be?