114.04% is the change from 399 to 854
Calculation steps:
[( 854 - 399 ) ÷ 399] x 100 = 114.04%
Formula
Percentage change = [(854 - 399) / 399] x 100
Subtract the new number by the original number
854 - 399 = 455
455 ÷ 399 = 1.1403508771929824
1.1403508771929824 x 100 = 114.04%