-88.63% is the change from 730 to 83
Calculation steps:
[( 83 - 730 ) ÷ 730] x 100 = -88.63%
Formula
Percentage change = [(83 - 730) / 730] x 100
Subtract the new number by the original number
83 - 730 = -647
-647 ÷ 730 = -0.8863013698630137
-0.8863013698630137 x 100 = -88.63%