-72.82% is the change from 942 to 256
Calculation steps:
[( 256 - 942 ) ÷ 942] x 100 = -72.82%
Formula
Percentage change = [(256 - 942) / 942] x 100
Subtract the new number by the original number
256 - 942 = -686
-686 ÷ 942 = -0.7282377919320594
-0.7282377919320594 x 100 = -72.82%