Is it legal if I need to break my lease and have found tenants to take over but the owner wants to significantly increase the rent?

Question Details: I have only been in my lease for 3 months and need to break it due to a new position that will require me to spend a significant amount of time out of state. I found qualified tenants to take over my lease and they are aligned on paying the same rate we do but the owner wants to increase the rent by $500 a month, a 20% increase, stating market changes. I am an agent myself and this is insanely high for the property. Is the owner legally allowed to request this amount in order for me to break the lease? This feels highly unethical when I have done everything I can to ensure no financial risk to the owner rgarding future income potential. I marketed the property, mingled with other agents, showed my rental and coordinated contact with the manager of the property. I have also agreed to pay a lease break fee of $900, which I also see as very high. I am trying to understand if I have any legal grounds to exit.

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