-0.71% is the change from 991 to 984
Calculation steps:
[( 984 - 991 ) ÷ 991] x 100 = -0.71%
Formula
Percentage change = [(984 - 991) / 991] x 100
Subtract the new number by the original number
984 - 991 = -7
-7 ÷ 991 = -0.007063572149344097
-0.007063572149344097 x 100 = -0.71%