242.11% is the change from 171 to 585
Calculation steps:
[( 585 - 171 ) ÷ 171] x 100 = 242.11%
Formula
Percentage change = [(585 - 171) / 171] x 100
Subtract the new number by the original number
585 - 171 = 414
414 ÷ 171 = 2.4210526315789473
2.4210526315789473 x 100 = 242.11%