12.3% is the change from 829 to 931
Calculation steps:
[( 931 - 829 ) ÷ 829] x 100 = 12.3%
Formula
Percentage change = [(931 - 829) / 829] x 100
Subtract the new number by the original number
931 - 829 = 102
102 ÷ 829 = 0.12303980699638119
0.12303980699638119 x 100 = 12.3%