It is hard for us to make the decision for you, we can just give you guidance.
Business is a good subject to pick as everyone will end up working for a business at some point. By studying business it will help you to understand what happens behind the scenes of a business and also it can help you become more employable. For example it will help you to understand what employers are looking for in job applications and interviews.
If you would like anymore help of what business will invovle then just feel free to get in touch