-0.77% is the change from 259 to 257
Calculation steps:
[( 257 - 259 ) ÷ 259] x 100 = -0.77%
Formula
Percentage change = [(257 - 259) / 259] x 100
Subtract the new number by the original number
257 - 259 = -2
-2 ÷ 259 = -0.007722007722007722
-0.007722007722007722 x 100 = -0.77%