-22.78% is the change from 869 to 671
Calculation steps:
[( 671 - 869 ) ÷ 869] x 100 = -22.78%
Formula
Percentage change = [(671 - 869) / 869] x 100
Subtract the new number by the original number
671 - 869 = -198
-198 ÷ 869 = -0.22784810126582278
-0.22784810126582278 x 100 = -22.78%