122.31% is the change from 399 to 887
Calculation steps:
[( 887 - 399 ) ÷ 399] x 100 = 122.31%
Formula
Percentage change = [(887 - 399) / 399] x 100
Subtract the new number by the original number
887 - 399 = 488
488 ÷ 399 = 1.2230576441102756
1.2230576441102756 x 100 = 122.31%