-99.81% is the change from 530 to 1
Calculation steps:
[( 1 - 530 ) ÷ 530] x 100 = -99.81%
Formula
Percentage change = [(1 - 530) / 530] x 100
Subtract the new number by the original number
1 - 530 = -529
-529 ÷ 530 = -0.9981132075471698
-0.9981132075471698 x 100 = -99.81%