-97.53% is the change from 730 to 18
Calculation steps:
[( 18 - 730 ) ÷ 730] x 100 = -97.53%
Formula
Percentage change = [(18 - 730) / 730] x 100
Subtract the new number by the original number
18 - 730 = -712
-712 ÷ 730 = -0.9753424657534246
-0.9753424657534246 x 100 = -97.53%