-89.25% is the change from 586 to 63
Calculation steps:
[( 63 - 586 ) ÷ 586] x 100 = -89.25%
Formula
Percentage change = [(63 - 586) / 586] x 100
Subtract the new number by the original number
63 - 586 = -523
-523 ÷ 586 = -0.8924914675767918
-0.8924914675767918 x 100 = -89.25%