2.98% is the change from 839 to 864
Calculation steps:
[( 864 - 839 ) ÷ 839] x 100 = 2.98%
Formula
Percentage change = [(864 - 839) / 839] x 100
Subtract the new number by the original number
864 - 839 = 25
25 ÷ 839 = 0.029797377830750895
0.029797377830750895 x 100 = 2.98%