13.24% is the change from 612 to 693
Calculation steps:
[( 693 - 612 ) ÷ 612] x 100 = 13.24%
Formula
Percentage change = [(693 - 612) / 612] x 100
Subtract the new number by the original number
693 - 612 = 81
81 ÷ 612 = 0.1323529411764706
0.1323529411764706 x 100 = 13.24%