164.24% is the change from 344 to 909
Calculation steps:
[( 909 - 344 ) ÷ 344] x 100 = 164.24%
Formula
Percentage change = [(909 - 344) / 344] x 100
Subtract the new number by the original number
909 - 344 = 565
565 ÷ 344 = 1.6424418604651163
1.6424418604651163 x 100 = 164.24%