-21.99% is the change from 582 to 454
Calculation steps:
[( 454 - 582 ) ÷ 582] x 100 = -21.99%
Formula
Percentage change = [(454 - 582) / 582] x 100
Subtract the new number by the original number
454 - 582 = -128
-128 ÷ 582 = -0.21993127147766323
-0.21993127147766323 x 100 = -21.99%