-17.96% is the change from 891 to 731
Calculation steps:
[( 731 - 891 ) ÷ 891] x 100 = -17.96%
Formula
Percentage change = [(731 - 891) / 891] x 100
Subtract the new number by the original number
731 - 891 = -160
-160 ÷ 891 = -0.17957351290684623
-0.17957351290684623 x 100 = -17.96%