-9.22% is the change from 282 to 256
Calculation steps:
[( 256 - 282 ) ÷ 282] x 100 = -9.22%
Formula
Percentage change = [(256 - 282) / 282] x 100
Subtract the new number by the original number
256 - 282 = -26
-26 ÷ 282 = -0.09219858156028368
-0.09219858156028368 x 100 = -9.22%