1. The only way to lose weight is to eat at a calories deficit. Calculate the number of calories you need using this app/site/whatever, than make sure to eat at a devicit tracking all your eating with this app. EDIT: This does not mean it is not important to eat well and clean, but that eating well alone is not going to make you lose weight if you are eating too many calories.
2. Engage in strength training at least 2 times per week, better 3. It is impossible to revert eating too much with exercise because the calories used during exercise are very easy to eat back just with a few slices of bread. However resistance training helps to create more muscles and less fat in the event you are still getting weight, and if you are losing weight will protect from losing muscles. There will be also methabolic benefits.
3. To speedup the weight loss, assuming you are eating at a deficit, you may add some cardio activity, this also helps to lower blood pressure, glucose levels and so forth.
4. When eating don't use cheat days: if your daily deficit is for instance 400 calories, and in your cheat day you eat back 400*6 of the deficit created during the other six days, you will not lose any fat.
5. Weight every day and store the weight into an app that can draw a graph for you, such as Google Fit, MyFitnessPal or whatever. You need a constant warning in case you are not losing weight but are gaining it.