12.28% is the change from 839 to 942
Calculation steps:
[( 942 - 839 ) ÷ 839] x 100 = 12.28%
Formula
Percentage change = [(942 - 839) / 839] x 100
Subtract the new number by the original number
942 - 839 = 103
103 ÷ 839 = 0.12276519666269368
0.12276519666269368 x 100 = 12.28%