-10.8% is the change from 991 to 884
Calculation steps:
[( 884 - 991 ) ÷ 991] x 100 = -10.8%
Formula
Percentage change = [(884 - 991) / 991] x 100
Subtract the new number by the original number
884 - 991 = -107
-107 ÷ 991 = -0.10797174571140263
-0.10797174571140263 x 100 = -10.8%