11.92% is the change from 839 to 939
Calculation steps:
[( 939 - 839 ) ÷ 839] x 100 = 11.92%
Formula
Percentage change = [(939 - 839) / 839] x 100
Subtract the new number by the original number
939 - 839 = 100
100 ÷ 839 = 0.11918951132300358
0.11918951132300358 x 100 = 11.92%