-9.32% is the change from 880 to 798
Calculation steps:
[( 798 - 880 ) ÷ 880] x 100 = -9.32%
Formula
Percentage change = [(798 - 880) / 880] x 100
Subtract the new number by the original number
798 - 880 = -82
-82 ÷ 880 = -0.09318181818181819
-0.09318181818181819 x 100 = -9.32%