Of the 26 only 16 bring cameras. This equals 16/26 since 16 out of 26 do so. A fraction is basically dividing the numerator by the denominator so u divide: 16/26 and get 0.615... To get a percent just multiply by 100. Remember: to get a percent from a decimal multiply by 100. 0.615 x 100 is about 62% which would be the answer.