-90.27% is the change from 730 to 71
Calculation steps:
[( 71 - 730 ) ÷ 730] x 100 = -90.27%
Formula
Percentage change = [(71 - 730) / 730] x 100
Subtract the new number by the original number
71 - 730 = -659
-659 ÷ 730 = -0.9027397260273973
-0.9027397260273973 x 100 = -90.27%