-4.19% is the change from 930 to 891
Calculation steps:
[( 891 - 930 ) ÷ 930] x 100 = -4.19%
Formula
Percentage change = [(891 - 930) / 930] x 100
Subtract the new number by the original number
891 - 930 = -39
-39 ÷ 930 = -0.041935483870967745
-0.041935483870967745 x 100 = -4.19%