-28.69% is the change from 488 to 348
Calculation steps:
[( 348 - 488 ) ÷ 488] x 100 = -28.69%
Formula
Percentage change = [(348 - 488) / 488] x 100
Subtract the new number by the original number
348 - 488 = -140
-140 ÷ 488 = -0.28688524590163933
-0.28688524590163933 x 100 = -28.69%