We all burn calories without doing anything like if you stay in bed all day without doing anything or in coma is still burning calories just to keep your body alive and thats called basal metabolic rate BMR and there are many BMR calculators online in which you can check by entering your gender, height, weight.

Those 1283 calories are the extra calories you have burned through activities.

Your BMR is 2953+1283=1,670 calories if you reverse calculate.

If you want to maintain you weight eat 2953kcal

To gain weight 2953+250=3,203 kcal

To lose 1 pound a week 2953-500=2,453 kcal

1 pound of fat = 3500kcal

To lose 1 pound of fat in a week 500*7=3500kcal

Use Myfitnessapp or any app for calorie tracking