From a FICO standpoint, your CC is now at 81% util which will hurt your FICO score. How much depends on what your util is now..
As long as you can pay it off in 12 months, you will save money in interest but the score hit could actually wind up costing you more money if you are going after a mortgage or auto loan. Until you pay the BT down enough that your score goes back up that is.
1/25/2021: FICO 850 EQ 848 TU 847 EX