13.29% is the change from 820 to 929
Calculation steps:
[( 929 - 820 ) ÷ 820] x 100 = 13.29%
Formula
Percentage change = [(929 - 820) / 820] x 100
Subtract the new number by the original number
929 - 820 = 109
109 ÷ 820 = 0.1329268292682927
0.1329268292682927 x 100 = 13.29%