3.58% is the change from 838 to 868
Calculation steps:
[( 868 - 838 ) ÷ 838] x 100 = 3.58%
Formula
Percentage change = [(868 - 838) / 838] x 100
Subtract the new number by the original number
868 - 838 = 30
30 ÷ 838 = 0.03579952267303103
0.03579952267303103 x 100 = 3.58%