263.68% is the change from 234 to 851
Calculation steps:
[( 851 - 234 ) ÷ 234] x 100 = 263.68%
Formula
Percentage change = [(851 - 234) / 234] x 100
Subtract the new number by the original number
851 - 234 = 617
617 ÷ 234 = 2.6367521367521367
2.6367521367521367 x 100 = 263.68%