-2.79% is the change from 788 to 766
Calculation steps:
[( 766 - 788 ) ÷ 788] x 100 = -2.79%
Formula
Percentage change = [(766 - 788) / 788] x 100
Subtract the new number by the original number
766 - 788 = -22
-22 ÷ 788 = -0.027918781725888325
-0.027918781725888325 x 100 = -2.79%