3.69% is the change from 624 to 647
Calculation steps:
[( 647 - 624 ) ÷ 624] x 100 = 3.69%
Formula
Percentage change = [(647 - 624) / 624] x 100
Subtract the new number by the original number
647 - 624 = 23
23 ÷ 624 = 0.03685897435897436
0.03685897435897436 x 100 = 3.69%