-23.71% is the change from 869 to 663
Calculation steps:
[( 663 - 869 ) ÷ 869] x 100 = -23.71%
Formula
Percentage change = [(663 - 869) / 869] x 100
Subtract the new number by the original number
663 - 869 = -206
-206 ÷ 869 = -0.23705408515535098
-0.23705408515535098 x 100 = -23.71%