-88.6% is the change from 728 to 83
Calculation steps:
[( 83 - 728 ) ÷ 728] x 100 = -88.6%
Formula
Percentage change = [(83 - 728) / 728] x 100
Subtract the new number by the original number
83 - 728 = -645
-645 ÷ 728 = -0.885989010989011
-0.885989010989011 x 100 = -88.6%