Eating 1050 a day? Is this okay to lose a bit of weight

If I eat 1050 a day for 2 weeks will I lose some weight? At least 1kg? I'm don't workout and go to the gym. I just walk a lot. I usually eat between 1200 to 2500 a day.
Eating 1050 a day? Is this okay to lose a bit of weight
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