-0.25% is the change from 789 to 787
Calculation steps:
[( 787 - 789 ) ÷ 789] x 100 = -0.25%
Formula
Percentage change = [(787 - 789) / 789] x 100
Subtract the new number by the original number
787 - 789 = -2
-2 ÷ 789 = -0.0025348542458808617
-0.0025348542458808617 x 100 = -0.25%