12.58% is the change from 612 to 689
Calculation steps:
[( 689 - 612 ) ÷ 612] x 100 = 12.58%
Formula
Percentage change = [(689 - 612) / 612] x 100
Subtract the new number by the original number
689 - 612 = 77
77 ÷ 612 = 0.12581699346405228
0.12581699346405228 x 100 = 12.58%