-1.16% is the change from 259 to 256
Calculation steps:
[( 256 - 259 ) ÷ 259] x 100 = -1.16%
Formula
Percentage change = [(256 - 259) / 259] x 100
Subtract the new number by the original number
256 - 259 = -3
-3 ÷ 259 = -0.011583011583011582
-0.011583011583011582 x 100 = -1.16%