That is a vague question and will depend solely upon you.
85kg = 187lbs
187lbsx0.15=28lbs of total fat
177lbsx0.10=17.7lbs
28-17.7=10.3lbs of fat
You will need to lose roughly 10lbs of fat. These figures are approximate and do not account for any loss of muscle. Time to lose 10lbs of fat, approx. 8-10 weeks.
I would start with a 500 calorie deficit. Set protein between 1g-1.5g per lbs of body weight. Next set fats between 50-55g. Fill the rest in with carbs.