30.54% is the change from 478 to 624
Calculation steps:
[( 624 - 478 ) ÷ 478] x 100 = 30.54%
Formula
Percentage change = [(624 - 478) / 478] x 100
Subtract the new number by the original number
624 - 478 = 146
146 ÷ 478 = 0.3054393305439331
0.3054393305439331 x 100 = 30.54%