-72.62% is the change from 935 to 256
Calculation steps:
[( 256 - 935 ) ÷ 935] x 100 = -72.62%
Formula
Percentage change = [(256 - 935) / 935] x 100
Subtract the new number by the original number
256 - 935 = -679
-679 ÷ 935 = -0.7262032085561497
-0.7262032085561497 x 100 = -72.62%