14.37% is the change from 821 to 939
Calculation steps:
[( 939 - 821 ) ÷ 821] x 100 = 14.37%
Formula
Percentage change = [(939 - 821) / 821] x 100
Subtract the new number by the original number
939 - 821 = 118
118 ÷ 821 = 0.14372716199756394
0.14372716199756394 x 100 = 14.37%