290.7% is the change from 172 to 672
Calculation steps:
[( 672 - 172 ) ÷ 172] x 100 = 290.7%
Formula
Percentage change = [(672 - 172) / 172] x 100
Subtract the new number by the original number
672 - 172 = 500
500 ÷ 172 = 2.9069767441860463
2.9069767441860463 x 100 = 290.7%