-28.27% is the change from 817 to 586
Calculation steps:
[( 586 - 817 ) ÷ 817] x 100 = -28.27%
Formula
Percentage change = [(586 - 817) / 817] x 100
Subtract the new number by the original number
586 - 817 = -231
-231 ÷ 817 = -0.2827417380660955
-0.2827417380660955 x 100 = -28.27%