-14.83% is the change from 991 to 844
Calculation steps:
[( 844 - 991 ) ÷ 991] x 100 = -14.83%
Formula
Percentage change = [(844 - 991) / 991] x 100
Subtract the new number by the original number
844 - 991 = -147
-147 ÷ 991 = -0.14833501513622604
-0.14833501513622604 x 100 = -14.83%