create a calculated field as Value * -1 drag this on to size box
as -252 is smaller then -72 the -72 circle will be larger.
Hope this helps let me know if you need screenshots to demonstrate
Create a calculated field, and multiply the specific value with some number. Drag calculated field on size and dimension to color and sales to text label.
for example check the below screen
Attaching the workbook for reference.
calculated field should equal
[Number of Records] * -1
I wrote value as I didn't know which field you were visualising
if you change the calculated field to the one above it should fix your visualisation