2380% is the change from 20 to 496
Calculation steps:
[( 496 - 20 ) ÷ 20] x 100 = 2380%
Formula
Percentage change = [(496 - 20) / 20] x 100
Subtract the new number by the original number
496 - 20 = 476
476 ÷ 20 = 23.8
23.8 x 100 = 2380%
Example