308.77% is the change from 171 to 699
Calculation steps:
[( 699 - 171 ) ÷ 171] x 100 = 308.77%
Formula
Percentage change = [(699 - 171) / 171] x 100
Subtract the new number by the original number
699 - 171 = 528
528 ÷ 171 = 3.087719298245614
3.087719298245614 x 100 = 308.77%