-20.79% is the change from 991 to 785
Calculation steps:
[( 785 - 991 ) ÷ 991] x 100 = -20.79%
Formula
Percentage change = [(785 - 991) / 991] x 100
Subtract the new number by the original number
785 - 991 = -206
-206 ÷ 991 = -0.20787083753784055
-0.20787083753784055 x 100 = -20.79%