Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A has a radius of 3 feet and a height of 15 feet. Container B has a radius of 4 feet and a height of 6 feet. Container A is full of water and the water is pumped into Container B until Conainter B is completely full.
To the nearest tenth, what is the percent of Container A that is empty after the pumping is complete?