What is the portion if the base is 900 and the rate is 12¾ %?

P=RxB
P=12.75x900
P=11,475

Is this correct?

Huh?

12 3/4 percent of 900 is much less than 900, specifically, it is 114.75 Do you see why?

"Percent" means per one-hundred
12 3/4 percent equals .1275