-5.56% is the change from 810 to 765
Calculation steps:
[( 765 - 810 ) ÷ 810] x 100 = -5.56%
Formula
Percentage change = [(765 - 810) / 810] x 100
Subtract the new number by the original number
765 - 810 = -45
-45 ÷ 810 = -0.05555555555555555
-0.05555555555555555 x 100 = -5.56%