-39.75% is the change from 488 to 294
Calculation steps:
[( 294 - 488 ) ÷ 488] x 100 = -39.75%
Formula
Percentage change = [(294 - 488) / 488] x 100
Subtract the new number by the original number
294 - 488 = -194
-194 ÷ 488 = -0.3975409836065574
-0.3975409836065574 x 100 = -39.75%