-9.47% is the change from 845 to 765
Calculation steps:
[( 765 - 845 ) ÷ 845] x 100 = -9.47%
Formula
Percentage change = [(765 - 845) / 845] x 100
Subtract the new number by the original number
765 - 845 = -80
-80 ÷ 845 = -0.09467455621301775
-0.09467455621301775 x 100 = -9.47%