2.59% is the change from 851 to 873
Calculation steps:
[( 873 - 851 ) ÷ 851] x 100 = 2.59%
Formula
Percentage change = [(873 - 851) / 851] x 100
Subtract the new number by the original number
873 - 851 = 22
22 ÷ 851 = 0.025851938895417155
0.025851938895417155 x 100 = 2.59%