-1.93% is the change from 880 to 863
Calculation steps:
[( 863 - 880 ) ÷ 880] x 100 = -1.93%
Formula
Percentage change = [(863 - 880) / 880] x 100
Subtract the new number by the original number
863 - 880 = -17
-17 ÷ 880 = -0.019318181818181818
-0.019318181818181818 x 100 = -1.93%