306.4% is the change from 172 to 699
Calculation steps:
[( 699 - 172 ) ÷ 172] x 100 = 306.4%
Formula
Percentage change = [(699 - 172) / 172] x 100
Subtract the new number by the original number
699 - 172 = 527
527 ÷ 172 = 3.063953488372093
3.063953488372093 x 100 = 306.4%