Golf help? i dont know what happend?

PLease help. so over the summer i would shoot 73-78 on 18 and ever since about a week and a half ago i cant make a shot to save my life my average over the past week and half is a 90.25 i dont know what happened and at tryouts i shot 72 81 90 93 and i dont know it cant be pressure i made a 45 footer to win a junior ameture this summer so if you know anything or if i am just ina abd slump help