-88.84% is the change from 726 to 81
Calculation steps:
[( 81 - 726 ) ÷ 726] x 100 = -88.84%
Formula
Percentage change = [(81 - 726) / 726] x 100
Subtract the new number by the original number
81 - 726 = -645
-645 ÷ 726 = -0.8884297520661157
-0.8884297520661157 x 100 = -88.84%