Sports and fitness can increase your energy expenditure a little, but the main contributor to weight loss and weight maintenance is eating behavior.
First of all, you need to deal with what makes you consume more calories than you need. “Working off” prevents to deal closely with this issue and to establish nutrition.
A person eats too much, then runs laps around the stadium and thinks that he has atoned for his sin and everything is fine. Until the next breakdown.
Moreover, the desire to cover the food eaten by training is also ineffective. Our bodies have a ceiling of physical activity that helps us use more energy per day. Once you go beyond that level, your body starts to conserve.
Sports and fitness without considering nutrition will not result in significant weight loss. But weight loss is not the only reason to move more in your regular life.