50% is the change from 416 to 624
Calculation steps:
[( 624 - 416 ) ÷ 416] x 100 = 50%
Formula
Percentage change = [(624 - 416) / 416] x 100
Subtract the new number by the original number
624 - 416 = 208
208 ÷ 416 = 0.5
0.5 x 100 = 50%
Example