88.51% is the change from 409 to 771
Calculation steps:
[( 771 - 409 ) ÷ 409] x 100 = 88.51%
Formula
Percentage change = [(771 - 409) / 409] x 100
Subtract the new number by the original number
771 - 409 = 362
362 ÷ 409 = 0.8850855745721271
0.8850855745721271 x 100 = 88.51%