-23.01% is the change from 869 to 669
Calculation steps:
[( 669 - 869 ) ÷ 869] x 100 = -23.01%
Formula
Percentage change = [(669 - 869) / 869] x 100
Subtract the new number by the original number
669 - 869 = -200
-200 ÷ 869 = -0.23014959723820483
-0.23014959723820483 x 100 = -23.01%