17.7% is the change from 723 to 851
Calculation steps:
[( 851 - 723 ) ÷ 723] x 100 = 17.7%
Formula
Percentage change = [(851 - 723) / 723] x 100
Subtract the new number by the original number
851 - 723 = 128
128 ÷ 723 = 0.17704011065006917
0.17704011065006917 x 100 = 17.7%