216.15% is the change from 161 to 509
Calculation steps:
[( 509 - 161 ) ÷ 161] x 100 = 216.15%
Formula
Percentage change = [(509 - 161) / 161] x 100
Subtract the new number by the original number
509 - 161 = 348
348 ÷ 161 = 2.1614906832298137
2.1614906832298137 x 100 = 216.15%