160% is the change from 240 to 624
Calculation steps:
[( 624 - 240 ) ÷ 240] x 100 = 160%
Formula
Percentage change = [(624 - 240) / 240] x 100
Subtract the new number by the original number
624 - 240 = 384
384 ÷ 240 = 1.6
1.6 x 100 = 160%
Example