2.01% is the change from 847 to 864
Calculation steps:
[( 864 - 847 ) ÷ 847] x 100 = 2.01%
Formula
Percentage change = [(864 - 847) / 847] x 100
Subtract the new number by the original number
864 - 847 = 17
17 ÷ 847 = 0.020070838252656435
0.020070838252656435 x 100 = 2.01%