1575% is the change from 20 to 335
Calculation steps:
[( 335 - 20 ) ÷ 20] x 100 = 1575%
Formula
Percentage change = [(335 - 20) / 20] x 100
Subtract the new number by the original number
335 - 20 = 315
315 ÷ 20 = 15.75
15.75 x 100 = 1575%
Example