-39.53% is the change from 807 to 488
Calculation steps:
[( 488 - 807 ) ÷ 807] x 100 = -39.53%
Formula
Percentage change = [(488 - 807) / 807] x 100
Subtract the new number by the original number
488 - 807 = -319
-319 ÷ 807 = -0.3952912019826518
-0.3952912019826518 x 100 = -39.53%