-5.75% is the change from 991 to 934
Calculation steps:
[( 934 - 991 ) ÷ 991] x 100 = -5.75%
Formula
Percentage change = [(934 - 991) / 991] x 100
Subtract the new number by the original number
934 - 991 = -57
-57 ÷ 991 = -0.05751765893037336
-0.05751765893037336 x 100 = -5.75%