2.17% is the change from 599 to 612
Calculation steps:
[( 612 - 599 ) ÷ 599] x 100 = 2.17%
Formula
Percentage change = [(612 - 599) / 599] x 100
Subtract the new number by the original number
612 - 599 = 13
13 ÷ 599 = 0.021702838063439065
0.021702838063439065 x 100 = 2.17%