-0.77% is the change from 260 to 258
Calculation steps:
[( 258 - 260 ) ÷ 260] x 100 = -0.77%
Formula
Percentage change = [(258 - 260) / 260] x 100
Subtract the new number by the original number
258 - 260 = -2
-2 ÷ 260 = -0.007692307692307693
-0.007692307692307693 x 100 = -0.77%