-87.78% is the change from 704 to 86
Calculation steps:
[( 86 - 704 ) ÷ 704] x 100 = -87.78%
Formula
Percentage change = [(86 - 704) / 704] x 100
Subtract the new number by the original number
86 - 704 = -618
-618 ÷ 704 = -0.8778409090909091
-0.8778409090909091 x 100 = -87.78%