-18.52% is the change from 864 to 704
Calculation steps:
[( 704 - 864 ) ÷ 864] x 100 = -18.52%
Formula
Percentage change = [(704 - 864) / 864] x 100
Subtract the new number by the original number
704 - 864 = -160
-160 ÷ 864 = -0.18518518518518517
-0.18518518518518517 x 100 = -18.52%