-14.63% is the change from 991 to 846
Calculation steps:
[( 846 - 991 ) ÷ 991] x 100 = -14.63%
Formula
Percentage change = [(846 - 991) / 991] x 100
Subtract the new number by the original number
846 - 991 = -145
-145 ÷ 991 = -0.14631685166498487
-0.14631685166498487 x 100 = -14.63%