139.1% is the change from 399 to 954
Calculation steps:
[( 954 - 399 ) ÷ 399] x 100 = 139.1%
Formula
Percentage change = [(954 - 399) / 399] x 100
Subtract the new number by the original number
954 - 399 = 555
555 ÷ 399 = 1.3909774436090225
1.3909774436090225 x 100 = 139.1%