20250% is the change from 2 to 407
Calculation steps:
[( 407 - 2 ) ÷ 2] x 100 = 20250%
Formula
Percentage change = [(407 - 2) / 2] x 100
Subtract the new number by the original number
407 - 2 = 405
405 ÷ 2 = 202.5
202.5 x 100 = 20250%
Example