-99.83% is the change from 593 to 1
Calculation steps:
[( 1 - 593 ) ÷ 593] x 100 = -99.83%
Formula
Percentage change = [(1 - 593) / 593] x 100
Subtract the new number by the original number
1 - 593 = -592
-592 ÷ 593 = -0.9983136593591906
-0.9983136593591906 x 100 = -99.83%