-4.48% is the change from 268 to 256
Calculation steps:
[( 256 - 268 ) ÷ 268] x 100 = -4.48%
Formula
Percentage change = [(256 - 268) / 268] x 100
Subtract the new number by the original number
256 - 268 = -12
-12 ÷ 268 = -0.04477611940298507
-0.04477611940298507 x 100 = -4.48%