7.35% is the change from 612 to 657
Calculation steps:
[( 657 - 612 ) ÷ 612] x 100 = 7.35%
Formula
Percentage change = [(657 - 612) / 612] x 100
Subtract the new number by the original number
657 - 612 = 45
45 ÷ 612 = 0.07352941176470588
0.07352941176470588 x 100 = 7.35%