4840% is the change from 20 to 988
Calculation steps:
[( 988 - 20 ) ÷ 20] x 100 = 4840%
Formula
Percentage change = [(988 - 20) / 20] x 100
Subtract the new number by the original number
988 - 20 = 968
968 ÷ 20 = 48.4
48.4 x 100 = 4840%
Example