You should keep 50 to 55% of your diet carbohydrates. Carbohydrates are a ready source of energy and so 50 to 55% of your diet should be carbohydrates.
25 to 30% of your diet should be proteins. Various processes and activities are going on in our bodies. Things are broken down and being built up again. Resistance has to be built up, recovery from disease too is needed and for all this the body needs plenty of proteins so see to it that 25 to 30 % of your diet consists of proteins.