-18.63% is the change from 864 to 703
Calculation steps:
[( 703 - 864 ) ÷ 864] x 100 = -18.63%
Formula
Percentage change = [(703 - 864) / 864] x 100
Subtract the new number by the original number
703 - 864 = -161
-161 ÷ 864 = -0.1863425925925926
-0.1863425925925926 x 100 = -18.63%