288.89% is the change from 171 to 665
Calculation steps:
[( 665 - 171 ) ÷ 171] x 100 = 288.89%
Formula
Percentage change = [(665 - 171) / 171] x 100
Subtract the new number by the original number
665 - 171 = 494
494 ÷ 171 = 2.888888888888889
2.888888888888889 x 100 = 288.89%