3.6% is the change from 834 to 864
Calculation steps:
[( 864 - 834 ) ÷ 834] x 100 = 3.6%
Formula
Percentage change = [(864 - 834) / 834] x 100
Subtract the new number by the original number
864 - 834 = 30
30 ÷ 834 = 0.03597122302158273
0.03597122302158273 x 100 = 3.6%