Everyone has their own nutritional needs depending on their gender, body structure, metabolism and so on.
Some people want to gain weight, while others want to lose weight. Therefore, depending on your goals, you can adjust the required amount.
Using this calculator, you can calculate how much you should consume.
Keep in mind that any diet will work, so listen to your body so you can further adjust the amounts!
In the "Goal" field, you can change your configuration to lose or gain weight.