-88.72% is the change from 718 to 81
Calculation steps:
[( 81 - 718 ) ÷ 718] x 100 = -88.72%
Formula
Percentage change = [(81 - 718) / 718] x 100
Subtract the new number by the original number
81 - 718 = -637
-637 ÷ 718 = -0.8871866295264624
-0.8871866295264624 x 100 = -88.72%