15.73% is the change from 839 to 971
Calculation steps:
[( 971 - 839 ) ÷ 839] x 100 = 15.73%
Formula
Percentage change = [(971 - 839) / 839] x 100
Subtract the new number by the original number
971 - 839 = 132
132 ÷ 839 = 0.1573301549463647
0.1573301549463647 x 100 = 15.73%