-24.69% is the change from 891 to 671
Calculation steps:
[( 671 - 891 ) ÷ 891] x 100 = -24.69%
Formula
Percentage change = [(671 - 891) / 891] x 100
Subtract the new number by the original number
671 - 891 = -220
-220 ÷ 891 = -0.24691358024691357
-0.24691358024691357 x 100 = -24.69%