Wtf I am so confused can someone help???

Ashley

I really donโ€™t understand how this stupid calculator works ๐Ÿ™„๐Ÿ™„๐Ÿ™„๐Ÿ™„๐Ÿ™„ I was 12 days late and it said 33% chance Iโ€™m pregnant I STILL have not started my period and itโ€™s going down yesterday it said 22% now today it says 8%