Any recommendations I stop lousing weight should I keep it low cal? at 1500 I get dizzy (read)

For a month I been strong eating healthy until yesterday happy hour. But I'm coming back but I'm curious what I need to do now since every week I lost less and this past week I lost only a pound.
Every day for a month I being eating

Breakfast shake with
1 Bananas
Flax Seed
8 ounces Silk Pure Almond Milk -Unsweetened Original
2 scoops EAS Lean 15 Protein Powder - Vanilla Cream
4 tablespoons Better Body Foods PB Fit Peanut Butter Powder
Better Body Foods Organic Chia Seeds
fiber powder
1/2 tablespoon coconut oil

Snack
Pear or apple or 2 clementines or cottage cheese or yogurt or 12 almonds
and one egg white

Lunch
Chicken or tuna or pork tenderloins
Spinach or 1/2 brown rice or quinoa
1/2 legumes
a vegetable ex. brocoli or cauliflower

Snack
Pear or apple or 2 clementines or cottage cheese or yogurt or 12 almonds
and one egg white

Work out late 6PM or later 3 times a week 1 hour weights with 30 min cardio 2 times a week 1 hour cardio

Protein shake after workout

Dinner 8PM
Chicken or tuna or pork tenderloins
Spinach or 1/2 brown rice or quinoa
1/2 legumes
a vegetable ex. brocoli or cauliflower

first week average 1500 calories lost 5 pounds -1.1% fat +.6% muscle
second week average was 1600 calories lost 4 pounds -.7% fat +.3% muscle
third week Average 1930 calories lost 3 pounds -.5% fat +.3% muscle
forth week 1700 calories lost 1 pound -.3% fat + .1 muscle

Any recommendations ? more eating?, less eating? any good or bad food addition or removal?, more exercise?