-39.6% is the change from 808 to 488
Calculation steps:
[( 488 - 808 ) ÷ 808] x 100 = -39.6%
Formula
Percentage change = [(488 - 808) / 808] x 100
Subtract the new number by the original number
488 - 808 = -320
-320 ÷ 808 = -0.39603960396039606
-0.39603960396039606 x 100 = -39.6%