numberchange

noun
UK /ˈnʌmbə tʃeɪndʒ/
US /ˈnʌmbər tʃeɪndʒ/

A number change is when a number becomes a different number.

The number change from 5 to 7 made the answer bigger.


OTHER MEANINGS

2. The act of swapping one phone number for another.

She asked the phone company for a number change after moving.

3. A change in the amount or total of something.

The number change in tickets sold surprised the organizers.

4. A change in the digits of a code or label.

The number change on the bus route confused some riders.