119.74% is the change from 390 to 857
Calculation steps:
[( 857 - 390 ) ÷ 390] x 100 = 119.74%
Formula
Percentage change = [(857 - 390) / 390] x 100
Subtract the new number by the original number
857 - 390 = 467
467 ÷ 390 = 1.1974358974358974
1.1974358974358974 x 100 = 119.74%