215.15% is the change from 165 to 520
Calculation steps:
[( 520 - 165 ) ÷ 165] x 100 = 215.15%
Formula
Percentage change = [(520 - 165) / 165] x 100
Subtract the new number by the original number
520 - 165 = 355
355 ÷ 165 = 2.1515151515151514
2.1515151515151514 x 100 = 215.15%