115.98% is the change from 388 to 838
Calculation steps:
[( 838 - 388 ) ÷ 388] x 100 = 115.98%
Formula
Percentage change = [(838 - 388) / 388] x 100
Subtract the new number by the original number
838 - 388 = 450
450 ÷ 388 = 1.1597938144329898
1.1597938144329898 x 100 = 115.98%