-9.09% is the change from 869 to 790
Calculation steps:
[( 790 - 869 ) ÷ 869] x 100 = -9.09%
Formula
Percentage change = [(790 - 869) / 869] x 100
Subtract the new number by the original number
790 - 869 = -79
-79 ÷ 869 = -0.09090909090909091
-0.09090909090909091 x 100 = -9.09%