SQL Query to convert column to row

Question

i want to convert the data from column to row

 

 

my data is 

week  percentachieve
Week1     0.002
Week2     0.004
Week3     0.003
Week4     0.003
Week5     0.002
Week6     0.014 

 

 

new data would be like 

 

week1  week2 week3 week4 week5 week6

0.002    0.004   0.003   0.003   0.002   0.014

 

 

 

 

 

help needed