-0.97% is the change from 931 to 922
Calculation steps:
[( 922 - 931 ) ÷ 931] x 100 = -0.97%
Formula
Percentage change = [(922 - 931) / 931] x 100
Subtract the new number by the original number
922 - 931 = -9
-9 ÷ 931 = -0.00966702470461869
-0.00966702470461869 x 100 = -0.97%