4720% is the change from 20 to 964
Calculation steps:
[( 964 - 20 ) ÷ 20] x 100 = 4720%
Formula
Percentage change = [(964 - 20) / 20] x 100
Subtract the new number by the original number
964 - 20 = 944
944 ÷ 20 = 47.2
47.2 x 100 = 4720%
Example