13.12% is the change from 823 to 931
Calculation steps:
[( 931 - 823 ) ÷ 823] x 100 = 13.12%
Formula
Percentage change = [(931 - 823) / 823] x 100
Subtract the new number by the original number
931 - 823 = 108
108 ÷ 823 = 0.13122721749696234
0.13122721749696234 x 100 = 13.12%