-32.79% is the change from 863 to 580
Calculation steps:
[( 580 - 863 ) ÷ 863] x 100 = -32.79%
Formula
Percentage change = [(580 - 863) / 863] x 100
Subtract the new number by the original number
580 - 863 = -283
-283 ÷ 863 = -0.32792584009269987
-0.32792584009269987 x 100 = -32.79%