The calculator might assume that your goal is to have a non-overweight physique, so that if you tell it your goal weight is 290, it will assume that you're shooting for a pretty lean 290, not an obese 290. Naturally it recommends more calories for someone who is lean at 290 as opposed to someone who is lean at 190.
For example, suppose it assumes you'll have 15% body fat at your goal weight. If you told it your goal weight was 290 as opposed to 190, it would factor in 85 addition pounds of lean body mass and recommend extra calories to sustain that lean body mass. The article says something different: that the same person lean at 190 will gain less weight from an extra 10 calories per day than the same person obese at 290.
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The calculator might assume that your goal is to have a non-overweight physique, so that if you tell it your goal weight is 290, it will assume that you're shooting for a pretty lean 290, not an obese 290. Naturally it recommends more calories for someone who is lean at 290 as opposed to someone who is lean at 190.
For example, suppose it assumes you'll have 15% body fat at your goal weight. If you told it your goal weight was 290 as opposed to 190, it would factor in 85 addition pounds of lean body mass and recommend extra calories to sustain that lean body mass. The article says something different: that the same person lean at 190 will gain less weight from an extra 10 calories per day than the same person obese at 290.