-0.65% is the change from 770 to 765
Calculation steps:
[( 765 - 770 ) ÷ 770] x 100 = -0.65%
Formula
Percentage change = [(765 - 770) / 770] x 100
Subtract the new number by the original number
765 - 770 = -5
-5 ÷ 770 = -0.006493506493506494
-0.006493506493506494 x 100 = -0.65%