25% is the change from 496 to 620
Calculation steps:
[( 620 - 496 ) ÷ 496] x 100 = 25%
Formula
Percentage change = [(620 - 496) / 496] x 100
Subtract the new number by the original number
620 - 496 = 124
124 ÷ 496 = 0.25
0.25 x 100 = 25%
Example