-0.51% is the change from 780 to 776
Calculation steps:
[( 776 - 780 ) ÷ 780] x 100 = -0.51%
Formula
Percentage change = [(776 - 780) / 780] x 100
Subtract the new number by the original number
776 - 780 = -4
-4 ÷ 780 = -0.005128205128205128
-0.005128205128205128 x 100 = -0.51%