209.94% is the change from 171 to 530
Calculation steps:
[( 530 - 171 ) ÷ 171] x 100 = 209.94%
Formula
Percentage change = [(530 - 171) / 171] x 100
Subtract the new number by the original number
530 - 171 = 359
359 ÷ 171 = 2.0994152046783627
2.0994152046783627 x 100 = 209.94%