-11% is the change from 991 to 882
Calculation steps:
[( 882 - 991 ) ÷ 991] x 100 = -11%
Formula
Percentage change = [(882 - 991) / 991] x 100
Subtract the new number by the original number
882 - 991 = -109
-109 ÷ 991 = -0.1099899091826438
-0.1099899091826438 x 100 = -11%