-23.69% is the change from 861 to 657
Calculation steps:
[( 657 - 861 ) ÷ 861] x 100 = -23.69%
Formula
Percentage change = [(657 - 861) / 861] x 100
Subtract the new number by the original number
657 - 861 = -204
-204 ÷ 861 = -0.23693379790940766
-0.23693379790940766 x 100 = -23.69%