114.87% is the change from 390 to 838
Calculation steps:
[( 838 - 390 ) ÷ 390] x 100 = 114.87%
Formula
Percentage change = [(838 - 390) / 390] x 100
Subtract the new number by the original number
838 - 390 = 448
448 ÷ 390 = 1.1487179487179486
1.1487179487179486 x 100 = 114.87%