-99.84% is the change from 613 to 1
Calculation steps:
[( 1 - 613 ) ÷ 613] x 100 = -99.84%
Formula
Percentage change = [(1 - 613) / 613] x 100
Subtract the new number by the original number
1 - 613 = -612
-612 ÷ 613 = -0.99836867862969
-0.99836867862969 x 100 = -99.84%