150.46% is the change from 323 to 809
Calculation steps:
[( 809 - 323 ) ÷ 323] x 100 = 150.46%
Formula
Percentage change = [(809 - 323) / 323] x 100
Subtract the new number by the original number
809 - 323 = 486
486 ÷ 323 = 1.5046439628482973
1.5046439628482973 x 100 = 150.46%