-5.86% is the change from 256 to 241
Calculation steps:
[( 241 - 256 ) ÷ 256] x 100 = -5.86%
Formula
Percentage change = [(241 - 256) / 256] x 100
Subtract the new number by the original number
241 - 256 = -15
-15 ÷ 256 = -0.05859375
-0.05859375 x 100 = -5.86%