-9.67% is the change from 931 to 841
Calculation steps:
[( 841 - 931 ) ÷ 931] x 100 = -9.67%
Formula
Percentage change = [(841 - 931) / 931] x 100
Subtract the new number by the original number
841 - 931 = -90
-90 ÷ 931 = -0.0966702470461869
-0.0966702470461869 x 100 = -9.67%