137.24% is the change from 341 to 809
Calculation steps:
[( 809 - 341 ) ÷ 341] x 100 = 137.24%
Formula
Percentage change = [(809 - 341) / 341] x 100
Subtract the new number by the original number
809 - 341 = 468
468 ÷ 341 = 1.3724340175953078
1.3724340175953078 x 100 = 137.24%