-88.49% is the change from 704 to 81
Calculation steps:
[( 81 - 704 ) ÷ 704] x 100 = -88.49%
Formula
Percentage change = [(81 - 704) / 704] x 100
Subtract the new number by the original number
81 - 704 = -623
-623 ÷ 704 = -0.8849431818181818
-0.8849431818181818 x 100 = -88.49%