-49.9% is the change from 986 to 494
Calculation steps:
[( 494 - 986 ) ÷ 986] x 100 = -49.9%
Formula
Percentage change = [(494 - 986) / 986] x 100
Subtract the new number by the original number
494 - 986 = -492
-492 ÷ 986 = -0.49898580121703856
-0.49898580121703856 x 100 = -49.9%