4210% is the change from 20 to 862
Calculation steps:
[( 862 - 20 ) ÷ 20] x 100 = 4210%
Formula
Percentage change = [(862 - 20) / 20] x 100
Subtract the new number by the original number
862 - 20 = 842
842 ÷ 20 = 42.1
42.1 x 100 = 4210%
Example