13.41% is the change from 820 to 930
Calculation steps:
[( 930 - 820 ) ÷ 820] x 100 = 13.41%
Formula
Percentage change = [(930 - 820) / 820] x 100
Subtract the new number by the original number
930 - 820 = 110
110 ÷ 820 = 0.13414634146341464
0.13414634146341464 x 100 = 13.41%