208.48% is the change from 165 to 509
Calculation steps:
[( 509 - 165 ) ÷ 165] x 100 = 208.48%
Formula
Percentage change = [(509 - 165) / 165] x 100
Subtract the new number by the original number
509 - 165 = 344
344 ÷ 165 = 2.084848484848485
2.084848484848485 x 100 = 208.48%