3.92% is the change from 612 to 636
Calculation steps:
[( 636 - 612 ) ÷ 612] x 100 = 3.92%
Formula
Percentage change = [(636 - 612) / 612] x 100
Subtract the new number by the original number
636 - 612 = 24
24 ÷ 612 = 0.0392156862745098
0.0392156862745098 x 100 = 3.92%