1655% is the change from 20 to 351
Calculation steps:
[( 351 - 20 ) ÷ 20] x 100 = 1655%
Formula
Percentage change = [(351 - 20) / 20] x 100
Subtract the new number by the original number
351 - 20 = 331
331 ÷ 20 = 16.55
16.55 x 100 = 1655%
Example