12.87% is the change from 839 to 947
Calculation steps:
[( 947 - 839 ) ÷ 839] x 100 = 12.87%
Formula
Percentage change = [(947 - 839) / 839] x 100
Subtract the new number by the original number
947 - 839 = 108
108 ÷ 839 = 0.12872467222884387
0.12872467222884387 x 100 = 12.87%