-27.48% is the change from 353 to 256
Calculation steps:
[( 256 - 353 ) ÷ 353] x 100 = -27.48%
Formula
Percentage change = [(256 - 353) / 353] x 100
Subtract the new number by the original number
256 - 353 = -97
-97 ÷ 353 = -0.2747875354107649
-0.2747875354107649 x 100 = -27.48%