311.7% is the change from 171 to 704
Calculation steps:
[( 704 - 171 ) ÷ 171] x 100 = 311.7%
Formula
Percentage change = [(704 - 171) / 171] x 100
Subtract the new number by the original number
704 - 171 = 533
533 ÷ 171 = 3.1169590643274856
3.1169590643274856 x 100 = 311.7%