And Change Meaning

(idiomatic) and some quantity, but less than the increment to the next round number.

Example:   It cost me two dollars and change. (i.e., more than $2 but less than $3)
  How fast was he going? A hundred and change. (i.e., more than 100 but less than 110).
"A Million and 1 Questions" by Jay Z.
  This ain't your speed young man, run in your lane / So I can come through doin' a hundred and change
Used other than as an idiom: see and,‎ change.