-5.2% is the change from 808 to 766
Calculation steps:
[( 766 - 808 ) ÷ 808] x 100 = -5.2%
Formula
Percentage change = [(766 - 808) / 808] x 100
Subtract the new number by the original number
766 - 808 = -42
-42 ÷ 808 = -0.05198019801980198
-0.05198019801980198 x 100 = -5.2%