-0.39% is the change from 767 to 764
Calculation steps:
[( 764 - 767 ) ÷ 767] x 100 = -0.39%
Formula
Percentage change = [(764 - 767) / 767] x 100
Subtract the new number by the original number
764 - 767 = -3
-3 ÷ 767 = -0.003911342894393742
-0.003911342894393742 x 100 = -0.39%