455% is the change from 20 to 111
Calculation steps:
[( 111 - 20 ) ÷ 20] x 100 = 455%
Formula
Percentage change = [(111 - 20) / 20] x 100
Subtract the new number by the original number
111 - 20 = 91
91 ÷ 20 = 4.55
4.55 x 100 = 455%
Example