-17.71% is the change from 864 to 711
Calculation steps:
[( 711 - 864 ) ÷ 864] x 100 = -17.71%
Formula
Percentage change = [(711 - 864) / 864] x 100
Subtract the new number by the original number
711 - 864 = -153
-153 ÷ 864 = -0.17708333333333334
-0.17708333333333334 x 100 = -17.71%