394.77% is the change from 172 to 851
Calculation steps:
[( 851 - 172 ) ÷ 172] x 100 = 394.77%
Formula
Percentage change = [(851 - 172) / 172] x 100
Subtract the new number by the original number
851 - 172 = 679
679 ÷ 172 = 3.947674418604651
3.947674418604651 x 100 = 394.77%