At the second concert, there were 217% more people than in the first concert.
Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. The sign used to represent percentages is %.
Number of people who attended the second concert compared to the first concert = (949/299) - 1 x 100 = 217%
To learn more about percentages, please check: https://brainly.com/question/25764815