1845% is the change from 20 to 389
Calculation steps:
[( 389 - 20 ) ÷ 20] x 100 = 1845%
Formula
Percentage change = [(389 - 20) / 20] x 100
Subtract the new number by the original number
389 - 20 = 369
369 ÷ 20 = 18.45
18.45 x 100 = 1845%
Example