Help please

Three teams each made several attempts at completing an obstacle course in less than 10 minutes. The two-way table shows the results.

What percent of all the failures came from Team 1?
 

 

             Successes            Failures

Team 1         20                       2

Team 2         15                       3

Team 3          5                        5

 

4%

 

10%

 

20%

 

25%