Yes, you pay a pro-rated about of the difference of the plans for the remainder of your subscription (remainder of month or remainder of year).  Then you pay the new subscription amount once your current subscription is up. 🙂
Yes, you pay a pro-rated about of the difference of the plans for the remainder of your subscription (remainder of month or remainder of year).  Then you pay the new subscription amount once your current subscription is up. 🙂