Hi there!
For question 1, the greater would be 350%. The reason why it is 350% is because, 350 in decimal form is 3.5 or 3.50 and 0.35 in percentage form is only 35%.
For number 2 and 3, look at the photo...
Answers:
2. 27%,
, 0.34, 3/8
3. 0.68, 7/10, 74%