13.03% is the change from 821 to 928
Calculation steps:
[( 928 - 821 ) ÷ 821] x 100 = 13.03%
Formula
Percentage change = [(928 - 821) / 821] x 100
Subtract the new number by the original number
928 - 821 = 107
107 ÷ 821 = 0.13032886723507917
0.13032886723507917 x 100 = 13.03%