15.14% is the change from 839 to 966
Calculation steps:
[( 966 - 839 ) ÷ 839] x 100 = 15.14%
Formula
Percentage change = [(966 - 839) / 839] x 100
Subtract the new number by the original number
966 - 839 = 127
127 ÷ 839 = 0.15137067938021453
0.15137067938021453 x 100 = 15.14%