-89% is the change from 582 to 64
Calculation steps:
[( 64 - 582 ) ÷ 582] x 100 = -89%
Formula
Percentage change = [(64 - 582) / 582] x 100
Subtract the new number by the original number
64 - 582 = -518
-518 ÷ 582 = -0.8900343642611683
-0.8900343642611683 x 100 = -89%