109.04% is the change from 387 to 809
Calculation steps:
[( 809 - 387 ) ÷ 387] x 100 = 109.04%
Formula
Percentage change = [(809 - 387) / 387] x 100
Subtract the new number by the original number
809 - 387 = 422
422 ÷ 387 = 1.0904392764857882
1.0904392764857882 x 100 = 109.04%