18.3% is the change from 612 to 724
Calculation steps:
[( 724 - 612 ) ÷ 612] x 100 = 18.3%
Formula
Percentage change = [(724 - 612) / 612] x 100
Subtract the new number by the original number
724 - 612 = 112
112 ÷ 612 = 0.1830065359477124
0.1830065359477124 x 100 = 18.3%