-50.56% is the change from 985 to 487
Calculation steps:
[( 487 - 985 ) ÷ 985] x 100 = -50.56%
Formula
Percentage change = [(487 - 985) / 985] x 100
Subtract the new number by the original number
487 - 985 = -498
-498 ÷ 985 = -0.5055837563451777
-0.5055837563451777 x 100 = -50.56%