108.82% is the change from 397 to 829
Calculation steps:
[( 829 - 397 ) ÷ 397] x 100 = 108.82%
Formula
Percentage change = [(829 - 397) / 397] x 100
Subtract the new number by the original number
829 - 397 = 432
432 ÷ 397 = 1.0881612090680102
1.0881612090680102 x 100 = 108.82%