11.91% is the change from 831 to 930
Calculation steps:
[( 930 - 831 ) ÷ 831] x 100 = 11.91%
Formula
Percentage change = [(930 - 831) / 831] x 100
Subtract the new number by the original number
930 - 831 = 99
99 ÷ 831 = 0.11913357400722022
0.11913357400722022 x 100 = 11.91%