-90.06% is the change from 704 to 70
Calculation steps:
[( 70 - 704 ) ÷ 704] x 100 = -90.06%
Formula
Percentage change = [(70 - 704) / 704] x 100
Subtract the new number by the original number
70 - 704 = -634
-634 ÷ 704 = -0.9005681818181818
-0.9005681818181818 x 100 = -90.06%