3525% is the change from 12 to 435
Calculation steps:
[( 435 - 12 ) ÷ 12] x 100 = 3525%
Formula
Percentage change = [(435 - 12) / 12] x 100
Subtract the new number by the original number
435 - 12 = 423
423 ÷ 12 = 35.25
35.25 x 100 = 3525%
Example