427.27% is the change from 77 to 406
Calculation steps:
[( 406 - 77 ) ÷ 77] x 100 = 427.27%
Formula
Percentage change = [(406 - 77) / 77] x 100
Subtract the new number by the original number
406 - 77 = 329
329 ÷ 77 = 4.2727272727272725
4.2727272727272725 x 100 = 427.27%