21.25% is the change from 720 to 873
Calculation steps:
[( 873 - 720 ) ÷ 720] x 100 = 21.25%
Formula
Percentage change = [(873 - 720) / 720] x 100
Subtract the new number by the original number
873 - 720 = 153
153 ÷ 720 = 0.2125
0.2125 x 100 = 21.25%