Why am I not losing weight?

I've completely changed my diet for one month now and incorporated light weights and long walks

I've cut out sugar and eat more protein and fruits and vegetables

My belly still looks the same and is a large pouch so its not muscle

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+1 y
I'm also eating 1500 calories less

From 2500 calories a day to 1000
Updates
+1 y
I've lost 2 pounds guys yay!!
Why am I not losing weight?
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