30.8% is the change from 724 to 947
Calculation steps:
[( 947 - 724 ) ÷ 724] x 100 = 30.8%
Formula
Percentage change = [(947 - 724) / 724] x 100
Subtract the new number by the original number
947 - 724 = 223
223 ÷ 724 = 0.3080110497237569
0.3080110497237569 x 100 = 30.8%