-74.04% is the change from 986 to 256
Calculation steps:
[( 256 - 986 ) ÷ 986] x 100 = -74.04%
Formula
Percentage change = [(256 - 986) / 986] x 100
Subtract the new number by the original number
256 - 986 = -730
-730 ÷ 986 = -0.7403651115618661
-0.7403651115618661 x 100 = -74.04%