I need help determining if this is a good choice. I'm looking for low carb 
and low phosphorus. This is what I received back from Diamond Naturals but I don't know what the percents mean. I have been using the indoor cat hairball formula. I didn't see this food on the spreadsheet.
Diamond Naturals Indoor Cat Hairball Control Formula
Phosphorus: 0.29%, as fed
Carbohydrate: 3.80%, as fed
and low phosphorus. This is what I received back from Diamond Naturals but I don't know what the percents mean. I have been using the indoor cat hairball formula. I didn't see this food on the spreadsheet.Diamond Naturals Indoor Cat Hairball Control Formula
Phosphorus: 0.29%, as fed
Carbohydrate: 3.80%, as fed