Answer: 13% increaseStep-by-step explanation:To find the percentage increase, use the formula:Percentage Increase= ( Increase/Original Value) x 100Given:New Value = 293.8Increase = 33.8So, the original value is: Original Value = 293.8 − 33.8 = 260Now calculate:Percentage Increase= ( 33.8/260) x 100Answer= 13% increase