-50.46% is the change from 985 to 488
Calculation steps:
[( 488 - 985 ) ÷ 985] x 100 = -50.46%
Formula
Percentage change = [(488 - 985) / 985] x 100
Subtract the new number by the original number
488 - 985 = -497
-497 ÷ 985 = -0.5045685279187817
-0.5045685279187817 x 100 = -50.46%