21.5% is the change from 586 to 712
Calculation steps:
[( 712 - 586 ) ÷ 586] x 100 = 21.5%
Formula
Percentage change = [(712 - 586) / 586] x 100
Subtract the new number by the original number
712 - 586 = 126
126 ÷ 586 = 0.2150170648464164
0.2150170648464164 x 100 = 21.5%