-50.05% is the change from 985 to 492
Calculation steps:
[( 492 - 985 ) ÷ 985] x 100 = -50.05%
Formula
Percentage change = [(492 - 985) / 985] x 100
Subtract the new number by the original number
492 - 985 = -493
-493 ÷ 985 = -0.500507614213198
-0.500507614213198 x 100 = -50.05%