-0.52% is the change from 770 to 766
Calculation steps:
[( 766 - 770 ) ÷ 770] x 100 = -0.52%
Formula
Percentage change = [(766 - 770) / 770] x 100
Subtract the new number by the original number
766 - 770 = -4
-4 ÷ 770 = -0.005194805194805195
-0.005194805194805195 x 100 = -0.52%