to be changed vs to become in Korean
변화되다vs되다
변화되다to be changed
(변화되다) means that something is changed and becomes different from before. You can use it for places, plans, schedules, or even someone's ideas. It often talks about the result after a change happens.
When to use to be changed
되다to become
The word "되다" means "to become" or "to turn into." You use it when someone or something changes into a new state, time, job, or condition. It is very common in everyday Korean, like becoming a student, becoming evening, or becoming cheaper.
When to use to becomeHow they differ
되다 means to become a new state, like becoming an adult or becoming famous. 변화되다 specifically means becoming different because of a change.