-23.59% is the change from 869 to 664
Calculation steps:
[( 664 - 869 ) ÷ 869] x 100 = -23.59%
Formula
Percentage change = [(664 - 869) / 869] x 100
Subtract the new number by the original number
664 - 869 = -205
-205 ÷ 869 = -0.23590333716915995
-0.23590333716915995 x 100 = -23.59%