-0.52% is the change from 775 to 771
Calculation steps:
[( 771 - 775 ) ÷ 775] x 100 = -0.52%
Formula
Percentage change = [(771 - 775) / 775] x 100
Subtract the new number by the original number
771 - 775 = -4
-4 ÷ 775 = -0.005161290322580645
-0.005161290322580645 x 100 = -0.52%