-0.64% is the change from 785 to 780
Calculation steps:
[( 780 - 785 ) ÷ 785] x 100 = -0.64%
Formula
Percentage change = [(780 - 785) / 785] x 100
Subtract the new number by the original number
780 - 785 = -5
-5 ÷ 785 = -0.006369426751592357
-0.006369426751592357 x 100 = -0.64%