-99.83% is the change from 597 to 1
Calculation steps:
[( 1 - 597 ) ÷ 597] x 100 = -99.83%
Formula
Percentage change = [(1 - 597) / 597] x 100
Subtract the new number by the original number
1 - 597 = -596
-596 ÷ 597 = -0.998324958123953
-0.998324958123953 x 100 = -99.83%
Example