21150% is the change from 2 to 425
Calculation steps:
[( 425 - 2 ) ÷ 2] x 100 = 21150%
Formula
Percentage change = [(425 - 2) / 2] x 100
Subtract the new number by the original number
425 - 2 = 423
423 ÷ 2 = 211.5
211.5 x 100 = 21150%
Example