-71.04% is the change from 884 to 256
Calculation steps:
[( 256 - 884 ) ÷ 884] x 100 = -71.04%
Formula
Percentage change = [(256 - 884) / 884] x 100
Subtract the new number by the original number
256 - 884 = -628
-628 ÷ 884 = -0.7104072398190046
-0.7104072398190046 x 100 = -71.04%