-90.72% is the change from 582 to 54
Calculation steps:
[( 54 - 582 ) ÷ 582] x 100 = -90.72%
Formula
Percentage change = [(54 - 582) / 582] x 100
Subtract the new number by the original number
54 - 582 = -528
-528 ÷ 582 = -0.9072164948453608
-0.9072164948453608 x 100 = -90.72%