The following table shows the number of children from 4 different schools who like 4 different types of fruits. All the children like only one of the given fruits.
| School | No. of children who likes | |||
| Apple | Orange | Mango | Grapes | |
| P | 120 | 50 | 160 | 150 |
| Q | 90 | 160 | 60 | 90 |
| R | 140 | 120 | 190 | 110 |
| S | 160 | 50 | 40 | 70 |
The total number of students who like grapes from schools P and R together is what percentage of the total number of students who like mango from school R?(Correct to two decimal places)