-95.02% is the change from 603 to 30
Calculation steps:
[( 30 - 603 ) ÷ 603] x 100 = -95.02%
Formula
Percentage change = [(30 - 603) / 603] x 100
Subtract the new number by the original number
30 - 603 = -573
-573 ÷ 603 = -0.9502487562189055
-0.9502487562189055 x 100 = -95.02%