6.57% is the change from 624 to 665
Calculation steps:
[( 665 - 624 ) ÷ 624] x 100 = 6.57%
Formula
Percentage change = [(665 - 624) / 624] x 100
Subtract the new number by the original number
665 - 624 = 41
41 ÷ 624 = 0.06570512820512821
0.06570512820512821 x 100 = 6.57%