I decided that I didn't need all of the extra apps in creative cloud so I decided to change my plan to the plan with photoshop and light room. I look at my credit card and I have been charged for both the new plan and the old plan.
I have checked your account and yes that is correct your credit card is charged for both the subscriptions creative cloud complete (old) and photography plan (new).
but i can also see there is a credit for the old creative cloud subscription.
you may please check your credit card statement once again, if in case you need more clarity on it please let us know.