290.06% is the change from 171 to 667
Calculation steps:
[( 667 - 171 ) ÷ 171] x 100 = 290.06%
Formula
Percentage change = [(667 - 171) / 171] x 100
Subtract the new number by the original number
667 - 171 = 496
496 ÷ 171 = 2.9005847953216373
2.9005847953216373 x 100 = 290.06%