3.84% is the change from 834 to 866
Calculation steps:
[( 866 - 834 ) ÷ 834] x 100 = 3.84%
Formula
Percentage change = [(866 - 834) / 834] x 100
Subtract the new number by the original number
866 - 834 = 32
32 ÷ 834 = 0.03836930455635491
0.03836930455635491 x 100 = 3.84%