please help! maths test tomorrow and am struggling with revising, if anyone could please explain how to get the answer that would be great! :) (number 3) i’ve done the first step but don’t know how to calculate what percentage of 100 is of 1079, please help!!

please help maths test tomorrow and am struggling with revising if anyone could please explain how to get the answer that would be great number 3 ive done the f class=