-50.1% is the change from 986 to 492
Calculation steps:
[( 492 - 986 ) ÷ 986] x 100 = -50.1%
Formula
Percentage change = [(492 - 986) / 986] x 100
Subtract the new number by the original number
492 - 986 = -494
-494 ÷ 986 = -0.5010141987829615
-0.5010141987829615 x 100 = -50.1%