-49.75% is the change from 985 to 495
Calculation steps:
[( 495 - 985 ) ÷ 985] x 100 = -49.75%
Formula
Percentage change = [(495 - 985) / 985] x 100
Subtract the new number by the original number
495 - 985 = -490
-490 ÷ 985 = -0.49746192893401014
-0.49746192893401014 x 100 = -49.75%