-44.06% is the change from 488 to 273
Calculation steps:
[( 273 - 488 ) ÷ 488] x 100 = -44.06%
Formula
Percentage change = [(273 - 488) / 488] x 100
Subtract the new number by the original number
273 - 488 = -215
-215 ÷ 488 = -0.4405737704918033
-0.4405737704918033 x 100 = -44.06%