-31.18% is the change from 991 to 682
Calculation steps:
[( 682 - 991 ) ÷ 991] x 100 = -31.18%
Formula
Percentage change = [(682 - 991) / 991] x 100
Subtract the new number by the original number
682 - 991 = -309
-309 ÷ 991 = -0.31180625630676084
-0.31180625630676084 x 100 = -31.18%