-21.65% is the change from 582 to 456
Calculation steps:
[( 456 - 582 ) ÷ 582] x 100 = -21.65%
Formula
Percentage change = [(456 - 582) / 582] x 100
Subtract the new number by the original number
456 - 582 = -126
-126 ÷ 582 = -0.21649484536082475
-0.21649484536082475 x 100 = -21.65%