-5.79% is the change from 864 to 814
Calculation steps:
[( 814 - 864 ) ÷ 864] x 100 = -5.79%
Formula
Percentage change = [(814 - 864) / 864] x 100
Subtract the new number by the original number
814 - 864 = -50
-50 ÷ 864 = -0.05787037037037037
-0.05787037037037037 x 100 = -5.79%