0.48% is the change from 621 to 624
Calculation steps:
[( 624 - 621 ) ÷ 621] x 100 = 0.48%
Formula
Percentage change = [(624 - 621) / 621] x 100
Subtract the new number by the original number
624 - 621 = 3
3 ÷ 621 = 0.004830917874396135
0.004830917874396135 x 100 = 0.48%