15500% is the change from 4 to 624
Calculation steps:
[( 624 - 4 ) ÷ 4] x 100 = 15500%
Formula
Percentage change = [(624 - 4) / 4] x 100
Subtract the new number by the original number
624 - 4 = 620
620 ÷ 4 = 155
155 x 100 = 15500%
Example