-72.85% is the change from 943 to 256
Calculation steps:
[( 256 - 943 ) ÷ 943] x 100 = -72.85%
Formula
Percentage change = [(256 - 943) / 943] x 100
Subtract the new number by the original number
256 - 943 = -687
-687 ÷ 943 = -0.7285259809119831
-0.7285259809119831 x 100 = -72.85%