-5.55% is the change from 811 to 766
Calculation steps:
[( 766 - 811 ) ÷ 811] x 100 = -5.55%
Formula
Percentage change = [(766 - 811) / 811] x 100
Subtract the new number by the original number
766 - 811 = -45
-45 ÷ 811 = -0.055487053020961775
-0.055487053020961775 x 100 = -5.55%