-28.5% is the change from 814 to 582
Calculation steps:
[( 582 - 814 ) ÷ 814] x 100 = -28.5%
Formula
Percentage change = [(582 - 814) / 814] x 100
Subtract the new number by the original number
582 - 814 = -232
-232 ÷ 814 = -0.28501228501228504
-0.28501228501228504 x 100 = -28.5%