2085% is the change from 20 to 437
Calculation steps:
[( 437 - 20 ) ÷ 20] x 100 = 2085%
Formula
Percentage change = [(437 - 20) / 20] x 100
Subtract the new number by the original number
437 - 20 = 417
417 ÷ 20 = 20.85
20.85 x 100 = 2085%
Example