The table given below shows the number of questions in different sets.
| Set | Number of questions |
| S1 | 54 |
| S2 | 56 |
| S3 | 60 |
| S4 | 62 |
| S5 | 66 |
| S6 | 72 |
The number of questions in set 1 is approximately how much percent less than the number of questions in set 4?
1
14.9 percent
2
10.9 percent
3
0.169
4
12.9 percent