-9.06% is the change from 861 to 783
Calculation steps:
[( 783 - 861 ) ÷ 861] x 100 = -9.06%
Formula
Percentage change = [(783 - 861) / 861] x 100
Subtract the new number by the original number
783 - 861 = -78
-78 ÷ 861 = -0.09059233449477352
-0.09059233449477352 x 100 = -9.06%