101.75% is the change from 401 to 809
Calculation steps:
[( 809 - 401 ) ÷ 401] x 100 = 101.75%
Formula
Percentage change = [(809 - 401) / 401] x 100
Subtract the new number by the original number
809 - 401 = 408
408 ÷ 401 = 1.0174563591022443
1.0174563591022443 x 100 = 101.75%