166.77% is the change from 319 to 851
Calculation steps:
[( 851 - 319 ) ÷ 319] x 100 = 166.77%
Formula
Percentage change = [(851 - 319) / 319] x 100
Subtract the new number by the original number
851 - 319 = 532
532 ÷ 319 = 1.6677115987460815
1.6677115987460815 x 100 = 166.77%