-99.18% is the change from 610 to 5
Calculation steps:
[( 5 - 610 ) ÷ 610] x 100 = -99.18%
Formula
Percentage change = [(5 - 610) / 610] x 100
Subtract the new number by the original number
5 - 610 = -605
-605 ÷ 610 = -0.9918032786885246
-0.9918032786885246 x 100 = -99.18%