21.76% is the change from 717 to 873
Calculation steps:
[( 873 - 717 ) ÷ 717] x 100 = 21.76%
Formula
Percentage change = [(873 - 717) / 717] x 100
Subtract the new number by the original number
873 - 717 = 156
156 ÷ 717 = 0.2175732217573222
0.2175732217573222 x 100 = 21.76%