17.4% is the change from 839 to 985
Calculation steps:
[( 985 - 839 ) ÷ 839] x 100 = 17.4%
Formula
Percentage change = [(985 - 839) / 839] x 100
Subtract the new number by the original number
985 - 839 = 146
146 ÷ 839 = 0.17401668653158522
0.17401668653158522 x 100 = 17.4%