2.34% is the change from 853 to 873
Calculation steps:
[( 873 - 853 ) ÷ 853] x 100 = 2.34%
Formula
Percentage change = [(873 - 853) / 853] x 100
Subtract the new number by the original number
873 - 853 = 20
20 ÷ 853 = 0.023446658851113716
0.023446658851113716 x 100 = 2.34%