-2.23% is the change from 806 to 788
Calculation steps:
[( 788 - 806 ) ÷ 806] x 100 = -2.23%
Formula
Percentage change = [(788 - 806) / 806] x 100
Subtract the new number by the original number
788 - 806 = -18
-18 ÷ 806 = -0.022332506203473945
-0.022332506203473945 x 100 = -2.23%