-0.51% is the change from 779 to 775
Calculation steps:
[( 775 - 779 ) ÷ 779] x 100 = -0.51%
Formula
Percentage change = [(775 - 779) / 779] x 100
Subtract the new number by the original number
775 - 779 = -4
-4 ÷ 779 = -0.005134788189987163
-0.005134788189987163 x 100 = -0.51%