4150% is the change from 12 to 510
Calculation steps:
[( 510 - 12 ) ÷ 12] x 100 = 4150%
Formula
Percentage change = [(510 - 12) / 12] x 100
Subtract the new number by the original number
510 - 12 = 498
498 ÷ 12 = 41.5
41.5 x 100 = 4150%
Example