-0.25% is the change from 793 to 791
Calculation steps:
[( 791 - 793 ) ÷ 793] x 100 = -0.25%
Formula
Percentage change = [(791 - 793) / 793] x 100
Subtract the new number by the original number
791 - 793 = -2
-2 ÷ 793 = -0.0025220680958385876
-0.0025220680958385876 x 100 = -0.25%